4/5 * 2 1/2 = 3 2/5 * 2 1/4 =

4/5 * 2 1/2 = 3 2/5 * 2 1/4 =

Jawaban:

No. 1

$frac{4}{5} times 2 frac{1}{2} \ = frac{4}{5} times frac{5}{2} \ = frac{20}{10} \ =2$

No. 2

$3 frac{2}{5} times 2 frac{1}{4} \ = frac{17}{5} times frac{9}{4} \ = frac{153}{20} \ = 7 frac{13}{20}$

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