4×0.6+0.6÷4 怎么算?用简便计算

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4×0.6+0.6÷4 怎么算?用简便计算
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4×0.6+0.6÷4 怎么算?用简便计算
4×0.6+0.6÷4 怎么算?用简便计算

4×0.6+0.6÷4 怎么算?用简便计算
4×0.6+0.6÷4
=4×0.6+0.6×1/4
=0.6×(4+1/4)
=0.6×4.25
=2.55

=0.6*(4+1/4)

4×0.6+0.6÷4
=4×0.6+0.6×1/4
=0.6×(4+1/4)
=0.6×4.25
=2.55