Toán Lớp 5: Tính thuận tiện: 8, 75 x X : 1, 25 x X = 38
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Toán Lớp 5: Tính thuận tiện: 8, 75 x X : 1, 25 x X = 38
Comments ( 2 )
8,75 × x : 1,25 × x = 38
( 8,75 : 1,25 ) × x = 38
7 × x = 38
x = 38 : 7
x = $\dfrac{38}{7}$
Tính thuận tiện: 8, 75 x X : 1, 25 x X = 38
=8,75:1,25×38
=7×38
=266