Tính nhanh:
$\frac{6}{25}$ : $\frac{21}{10}$ x $\frac{4}{16}$ .Help me !!!!!
Tính nhanh: $\frac{6}{25}$ : $\frac{21}{10}$ x $\frac{4}{16}$ .Help me !!!!!
By Lyla
By Lyla
Tính nhanh:
$\frac{6}{25}$ : $\frac{21}{10}$ x $\frac{4}{16}$ .Help me !!!!!
$\frac{6}{25}$ ÷ $\frac{21}{10}$ x $\frac{4}{16}$
= $\frac{6}{25}$ x $\frac{10}{21}$ x $\frac{1}{4}$
= $\frac{6 x 10 x 1}{25 x 21 x 4}$
= $\frac{1}{35}$
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$\frac{6}{25}$ : $\frac{21}{10}$ x $\frac{4}{16}$ = $\frac{6}{25}$ x $\frac{10}{21}$ x $\frac{1}{4}$ = $\frac{2 x 2}{5 x 7 x 4 }$ = $\frac{1}{35}$