Evaluate:
1 ÷ 13\dfrac{1}{3}31
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1÷13=1×31=1×31×1=31=31 ÷ \dfrac{1}{3}\\[1em] = 1 \times \dfrac{3}{1}\\[1em] = \dfrac{1 \times 3}{1 \times 1}\\[1em] = \dfrac{3}{1} \\[1em] = 31÷31=1×13=1×11×3=13=3
Hence, 1÷13=31 ÷ \dfrac{1}{3} = 31÷31=3
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The product of two rational numbers is −723-7\dfrac{2}{3}−732. If one of them is 3563\dfrac{5}{6}365, the other number is:
(8 ÷ 3) ÷ (3 ÷ 8) is equal to:
649\dfrac{64}{9}964
964\dfrac{9}{64}649
1
none of the above
3÷353 ÷ \dfrac{3}{5}3÷53
−512÷116-\dfrac{5}{12} ÷ \dfrac{1}{16}−125÷161
