Toán Lớp 7: 14. $\frac{1}{4}$.$\frac{3}{4}$-1$\frac{1}{4}$:$\frac{4}{3}$
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Toán Lớp 7: 14. $\frac{1}{4}$.$\frac{3}{4}$-1$\frac{1}{4}$:$\frac{4}{3}$
Comments ( 2 )
14.$\frac{1}{4}$ .$\frac{3}{4}$ -$\frac{5}{4}$ .$\frac{3}{4}$
$\frac{14}{4}$ .$\frac{3}{4}$ -$\frac{5}{4}$ .$\frac{3}{4}$
(($\frac{14}{4}$ – $\frac{5}{4}$) .$\frac{3}{4}$
$\frac{9}{4}$ .$\frac{3}{4}$
$\frac{27}{16}$
Giải đáp+Lời giải và giải thích chi tiết:
14 . 1/4 . 3/4-1 1/4 : 4/3
=14/4 . 3/4-5/4 . 3/4
=(14/4-5/4) . 3/4
=9/4 . 3/4
=27/16