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Toán · Kho câu hỏi, theo node ​

Thuộc cây kiến thức môn Toán. Sinh bằng scripts/export-knowledge-to-docs.mjs, đừng sửa tay.

4180 câu trên 300 node. Đây là CHỈ MỤC, không phải nội dung câu: đưa 15 nghìn câu vào docs vừa làm docs hết đọc được, vừa để lộ đáp án ra một trang công khai.

NodeTổngĐang dùngĐộ khó
absolute-value16160.31 tới 0.85
algebra-expressions16160.31 tới 0.85
algebraic-extrema10100.31 tới 0.85
algebraic-fractions10100.31 tới 0.85
am-gm16160.31 tới 0.85
angle-pairs16160.31 tới 0.85
angle-types-basic660.3 tới 0.5
angles16160.31 tới 0.85
arc-length16160.31 tới 0.85
area-methods16160.31 tới 0.85
area-perimeter16160.31 tới 0.85
area-triangle-trapezoid660.4 tới 0.55
b-b1-logarithms-as-another-way-to-write-powers10100.5
b-b2-area-under-a-curve10100.5
b-b2-differentiate-standard-functions10100.5
b-b2-limits-what-a-value-approaches10100.5
b-b2-rates-of-change-and-the-derivative10100.5
b-b2-trigonometric-expressions10100.5
b-b3-necessary-and-sufficient10100.5
b-b3-proof-by-induction10100.5
b-b3-sets-and-operations-on-them10100.5
b-b3-statements-and-their-negation10100.5
b-b4-counting-and-combinatorics10100.5
b-b4-limits-of-the-model10100.5
b-b4-optimise-under-constraints10100.5
b-b4-quadratic-exponential-and-logarithmic-models10100.5
b-b4-rules-of-probability10100.5
b21-a-letter-for-an-unknown33330.3 tới 0.62
b21-break-it-into-parts16160.3 tới 0.62
b21-check-against-the-conditions10100.3 tới 0.62
b21-check-against-the-original-situation10100.3 tới 0.62
b21-check-the-answer16160.3 tới 0.62
b21-choose-what-to-measure10100.3 tới 0.62
b21-collect-like-terms16160.3 tới 0.62
b21-compare-two-methods-same-answer10100.3 tới 0.62
b21-coordinates-on-a-plane16160.3 tới 0.62
b21-direct-and-inverse-proportion32310.3 tới 0.62
b21-draw-a-bar-model32320.3 tới 0.62
b21-draw-it-to-see-it10100.3 tới 0.62
b21-estimate-before-computing16160.3 tới 0.62
b21-estimate-magnitude16160.3 tới 0.62
b21-explain-your-method-to-a-friend20100.3 tới 0.62
b21-extra-and-missing-information16160.3 tới 0.62
b21-find-one-case-that-breaks-the-rule10100.3 tới 0.62
b21-fractions-and-decimals32320.3 tới 0.62
b21-fractions-decimals-percent36260.3 tới 0.62
b21-fractions-of-a-whole32310.3 tới 0.62
b21-geometric-proof-with-reasons10100.3 tới 0.62
b21-have-i-seen-a-similar-problem10100.3 tới 0.62
b21-how-likely-is-it16160.3 tới 0.62
b21-if-then-reasoning16160.3 tới 0.62
b21-is-there-another-way10100.3 tới 0.62
b21-know-your-own-common-errors10100.3 tới 0.62
b21-mean-maximum-minimum16160.3 tới 0.62
b21-measure-length-area-volume32290.3 tới 0.62
b21-multiplying-does-not-always-make-bigger32310.3 tới 0.62
b21-negative-numbers-and-the-number-line32300.3 tới 0.62
b21-order-of-operations32300.3 tới 0.62
b21-patterns-in-shapes-and-numbers32270.3 tới 0.62
b21-place-value32320.3 tới 0.62
b21-powers-and-roots16160.3 tới 0.62
b21-predict-the-next-one-and-say-why32180.3 tới 0.62
b21-read-tables-and-charts32320.3 tới 0.62
b21-retell-the-steps-you-took20100.3 tới 0.62
b21-simplify-and-find-common-denominators32270.3 tới 0.62
b21-state-the-rule-in-a-sentence10100.3 tới 0.62
b21-times-tables32250.3 tới 0.62
b21-try-small-numbers-first10100.3 tới 0.62
b21-units-and-precision16160.3 tới 0.62
b21-what-can-i-reuse-next-time10100.3 tới 0.62
b21-what-is-given-what-is-asked32310.3 tới 0.62
b21-why-this-transformation-keeps-the-value10100.3 tới 0.62
b21-word-problems32320.3 tới 0.62
b21-work-backwards-from-the-answer10100.3 tới 0.62
b21-write-a-solution-others-can-read10100.3 tới 0.62
b21-write-the-number-sentence32320.3 tới 0.62
b21f-add-and-subtract-with-regrouping10100.3 tới 0.55
b21f-add-your-own-assumptions10100.5 tới 0.6
b21f-ask-a-well-aimed-question10100.4 tới 0.55
b21f-being-stuck-is-normal10100.3 tới 0.55
b21f-check-the-units-of-the-answer10100.35 tới 0.55
b21f-check-with-the-inverse-operation10100.2 tới 0.6
b21f-choose-test-cases-wisely10100.5 tới 0.65
b21f-collect-and-record-data10100.3 tới 0.65
b21f-correlation-is-not-causation10100.5 tới 0.65
b21f-decimals-on-the-number-line10100.3 tới 0.6
b21f-defend-your-approach10100.45 tới 0.6
b21f-discrete-or-continuous10100.35 tới 0.6
b21f-distance-speed-and-time10100.3 tới 0.65
b21f-dividing-by-a-number-less-than-one10100.35 tới 0.65
b21f-draw-the-situation10100.3 tới 0.55
b21f-error-and-significant-figures10100.45 tới 0.65
b21f-estimate-by-eye12120.3 tới 0.5
b21f-estimate-to-check-a-result12120.35 tới 0.6
b21f-extend-the-problem10100.4 tới 0.6
b21f-fermi-estimation10100.4 tới 0.6
b21f-from-pattern-to-formula10100.3 tới 0.6
b21f-generalise-carefully10100.5 tới 0.7
b21f-is-the-answer-in-a-sensible-range10100.25 tới 0.5
b21f-is-the-converse-true10100.5 tới 0.65
b21f-lay-out-a-solution-in-thinking-order10100.4 tới 0.6
b21f-log-where-you-got-stuck10100.4 tới 0.55
b21f-make-a-table-list-systematically10100.35 tới 0.6
b21f-median-and-when-the-mean-misleads10100.4 tới 0.65
b21f-multiply-both-sides-by-the-same-number10100.3 tới 0.7
b21f-multiply-mentally-by-10-100-0-110100.25 tới 0.55
b21f-negatives-flip-an-inequality10100.4 tới 0.65
b21f-one-counterexample-is-enough10100.45 tới 0.65
b21f-one-example-proves-nothing10100.35 tới 0.65
b21f-order-of-magnitude-estimates11110.35 tới 0.6
b21f-percent-of-what10100.3 tới 0.65
b21f-pick-the-easiest-form-to-compute-with10100.45 tới 0.6
b21f-pose-a-problem-for-someone-else10100.5 tới 0.65
b21f-problems-with-many-right-answers10100.4 tới 0.6
b21f-proof-by-contradiction10100.45 tới 0.65
b21f-rates-and-fair-comparison10100.35 tới 0.6
b21f-read-a-chart-from-the-news10100.45 tới 0.65
b21f-repeating-and-growing-patterns10100.2 tới 0.55
b21f-reread-the-question-before-you-finish10100.25 tới 0.5
b21f-restate-the-problem-in-your-own-words10100.3 tới 0.55
b21f-round-to-fit-the-situation10100.4 tới 0.6
b21f-round-to-tens-and-hundreds10100.25 tới 0.6
b21f-shopping-and-change10100.25 tới 0.55
b21f-simplify-before-you-multiply10100.35 tới 0.6
b21f-solids-and-their-faces10100.2 tới 0.6
b21f-split-numbers-to-add-mentally10100.2 tới 0.5
b21f-symmetry-and-turning10100.4 tới 0.55
b21f-take-a-break-and-come-back10100.35 tới 0.5
b21f-the-equals-sign-means-balance11110.35 tới 0.55
b21f-try-a-way-then-abandon-it10100.4 tới 0.6
b21f-use-a-table-to-organise10100.3 tới 0.55
b21f-use-the-distributive-law-to-compute-fast10100.35 tới 0.6
b21f-use-the-right-mathematical-words10100.3 tới 0.5
b21f-what-does-this-remind-me-of10100.4 tới 0.6
b21f-where-did-this-number-come-from10100.45 tới 0.6
b21f-why-you-may-swap-and-why-not10100.25 tới 0.65
b21g13-add-and-subtract-small-numbers16160.3 tới 0.62
b21g13-check-against-the-conditions10100.3 tới 0.55
b21g13-check-against-the-original-situation660.2 tới 0.5
b21g13-check-the-answer660.25 tới 0.55
b21g13-count-combine-and-split16160.3 tới 0.62
b21g13-draw-a-bar-model16160.3 tới 0.62
b21g13-draw-it-to-see-it10100.3 tới 0.5
b21g13-estimate-before-computing16160.3 tới 0.62
b21g13-estimate-magnitude16160.3 tới 0.62
b21g13-explain-your-method-to-a-friend10100.25 tới 0.5
b21g13-extra-and-missing-information10100.4 tới 0.6
b21g13-fractions-of-a-whole10100.3 tới 0.62
b21g13-have-i-seen-a-similar-problem660.35 tới 0.6
b21g13-know-your-own-common-errors660.3 tới 0.55
b21g13-measure-length-area-volume16160.3 tới 0.62
b21g13-patterns-in-shapes-and-numbers16160.3 tới 0.62
b21g13-place-value16160.3 tới 0.62
b21g13-predict-the-next-one-and-say-why10100.3 tới 0.6
b21g13-read-tables-and-charts16160.3 tới 0.62
b21g13-recognise-plane-shapes10100.15 tới 0.45
b21g13-retell-the-steps-you-took660.3 tới 0.5
b21g13-times-tables16160.3 tới 0.62
b21g13-try-small-numbers-first10100.3 tới 0.6
b21g13-units-and-precision16160.3 tới 0.62
b21g13-what-is-given-what-is-asked10100.3 tới 0.55
b21g13-word-problems16160.3 tới 0.62
b21g13-write-the-number-sentence16160.3 tới 0.62
b21g89-a-function-as-a-relationship16160.3 tới 0.62
b21g89-algebraic-identities17170.3 tới 0.62
b21g89-break-it-into-parts16160.3 tới 0.62
b21g89-check-against-the-conditions10100.3 tới 0.62
b21g89-check-against-the-original-situation10100.3 tới 0.62
b21g89-check-the-answer16160.3 tới 0.62
b21g89-choose-what-to-measure10100.3 tới 0.62
b21g89-collect-like-terms18180.3 tới 0.62
b21g89-compare-two-methods-same-answer1090.3 tới 0.62
b21g89-conditions-for-an-operation16160.3 tới 0.62
b21g89-coordinates-on-a-plane16160.3 tới 0.62
b21g89-direct-proof10100.45 tới 0.6
b21g89-draw-it-to-see-it1080.3 tới 0.62
b21g89-equivalent-expressions17170.3 tới 0.62
b21g89-estimate-before-computing16160.3 tới 0.62
b21g89-estimate-magnitude17170.3 tới 0.62
b21g89-extra-and-missing-information16160.3 tới 0.62
b21g89-factorise17170.3 tới 0.62
b21g89-find-one-case-that-breaks-the-rule10100.3 tới 0.62
b21g89-geometric-proof-with-reasons1090.3 tới 0.62
b21g89-have-i-seen-a-similar-problem10100.3 tới 0.62
b21g89-how-likely-is-it16160.3 tới 0.62
b21g89-if-then-reasoning16160.3 tới 0.62
b21g89-is-there-another-way1080.3 tới 0.62
b21g89-know-your-own-common-errors10100.3 tới 0.62
b21g89-linear-functions-and-graphs16160.3 tới 0.62
b21g89-mean-maximum-minimum16160.3 tới 0.62
b21g89-powers-and-roots18180.3 tới 0.62
b21g89-prove-an-inequality12120.3 tới 0.62
b21g89-real-and-complex-numbers10100.3 tới 0.62
b21g89-set-the-unknown-and-the-constraints16160.3 tới 0.62
b21g89-solve-a-linear-equation21210.3 tới 0.62
b21g89-solve-a-quadratic-equation16160.3 tới 0.62
b21g89-state-the-rule-in-a-sentence1090.3 tới 0.62
b21g89-the-scope-of-a-rule10100.4 tới 0.65
b21g89-try-small-numbers-first1090.3 tới 0.62
b21g89-units-and-precision16160.3 tới 0.62
b21g89-what-can-i-reuse-next-time10100.3 tới 0.62
b21g89-why-this-transformation-keeps-the-value10100.3 tới 0.62
b21g89-work-backwards-from-the-answer10100.3 tới 0.62
b21g89-write-a-solution-others-can-read1090.3 tới 0.62
certain-possible-impossible660.3 tới 0.45
circle-basics16160.31 tới 0.85
circle-circumference-area10100.31 tới 0.85
circle-tangent16160.31 tới 0.85
compound-interest16160.31 tới 0.85
concurrency16160.31 tới 0.85
coordinate-plane16160.31 tới 0.85
counting-outcomes-basic660.35 tới 0.5
cube-roots16160.31 tới 0.85
cyclic-quadrilateral16160.31 tới 0.85
cylinder-cone-sphere16160.31 tới 0.85
data-charts-analysis10100.31 tới 0.85
decimals16160.31 tới 0.85
difference-squares16160.31 tới 0.85
diophantine16160.31 tới 0.85
distributive16160.31 tới 0.85
distributive-multiply16160.31 tới 0.85
divisibility-rules10100.35 tới 0.6
equations16160.45 tới 0.85
estimation-error16160.31 tới 0.85
exponents16160.4 tới 0.85
factoring16160.45 tới 0.85
formula-eval16160.31 tới 0.85
fraction-operations16160.4 tới 0.85
fractions16160.3 tới 0.85
functions16160.4 tới 0.85
gcd-lcm16160.31 tới 0.85
geometric-extrema10100.31 tới 0.85
geometry16160.31 tới 0.85
grouped-frequency660.5 tới 0.55
identities16160.4 tới 0.85
indices-laws16160.31 tới 0.85
inequalities16160.4 tới 0.85
inscribed-angle16160.45 tới 0.85
integers16160.31 tới 0.85
irrational-numbers16160.31 tới 0.85
like-terms16160.31 tới 0.85
linear-systems16160.49 tới 0.85
locus16160.31 tới 0.85
math-formula16160.31 tới 0.85
midsegment16160.31 tới 0.85
modular16160.31 tới 0.85
number-patterns16160.31 tới 0.85
number-sets16160.31 tới 0.85
order-of-operations16160.31 tới 0.85
parallel-lines16160.31 tới 0.85
parallelogram-rhombus-area660.35 tới 0.55
percent-applications16160.31 tới 0.85
percentage-change16160.31 tới 0.85
perpendicular-lines-bisectors10100.31 tới 0.85
polygon-angles16160.31 tới 0.85
polynomials16160.31 tới 0.85
primes16160.31 tới 0.85
prisms660.4 tới 0.55
probability16160.31 tới 0.85
probability-of-events660.5 tới 0.55
proportions16160.31 tới 0.85
pyramids660.45 tới 0.55
pythagoras16160.4 tới 0.85
quadratic-formula16160.45 tới 0.85
quadratic-function16160.31 tới 0.85
quadratics16160.4 tới 0.85
quadrilaterals16160.31 tới 0.85
ratio-division16160.31 tới 0.85
ratio-percent16160.31 tới 0.85
rational-equations10100.31 tới 0.85
rational-numbers10100.31 tới 0.85
rationalizing16160.45 tới 0.85
reading-clocks660.3 tới 0.4
real-numbers16160.31 tới 0.85
repeating-decimals10100.31 tới 0.85
right-triangle-metric16160.31 tới 0.85
rounding16160.31 tới 0.85
scientific-notation16160.31 tới 0.85
sequences16160.31 tới 0.85
series-sums10100.31 tới 0.85
similar-triangles16160.45 tới 0.85
slope16160.31 tới 0.85
solids-3d16160.31 tới 0.85
solve-one-step16160.25 tới 0.85
square-roots16160.3 tới 0.85
statistics16160.31 tới 0.85
surds-simplify16160.45 tới 0.85
surface-area-volume10100.31 tới 0.85
symmetry16160.31 tới 0.85
thales16160.45 tới 0.85
transformations16160.31 tới 0.85
triangle-angles16160.35 tới 0.85
triangles16160.3 tới 0.85
trigonometry16160.4 tới 0.85
two-step-equations16160.35 tới 0.85
vectors16160.31 tới 0.85
vieta16160.49 tới 0.85
volume-box-cube660.4 tới 0.55
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writing-expressions10100.31 tới 0.85