Toán Lớp 5: 3,25×3,6+3,25×2,5+3,25×2,9+3,25
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Toán Lớp 5: 3,25×3,6+3,25×2,5+3,25×2,9+3,25
Comments ( 2 )
3,25×3,6+3,25×2,5+3,25×2,9+3,25
=3,25×(3,6+2,5+2,9+1)
=3,25×10
=32,5
$@Iris$
3,25 xx 3,6 + 3,25 xx 2,5 + 3,25 xx 2,9 + 3,25
= 3,25 xx 3,6 + 3,25 xx 2,5 + 3,25 xx 2,9 + 3,25 xx 1
= 3,25 xx ( 3,6 + 2,5 + 2,9 + 1)
= 3,25 xx 10
= 32,5