列式计算 4/7×3/5+3/7÷5/3 3.72-4/9+2.28-5/9

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列式计算4/7×3/5+3/7÷5/33.72-4/9+2.28-5/9列式计算4/7×3/5+3/7÷5/33.72-4/9+2.28-5/9列式计算4/7×3/5+3/7÷5/33.72-4/9+

列式计算 4/7×3/5+3/7÷5/3 3.72-4/9+2.28-5/9
列式计算 4/7×3/5+3/7÷5/3 3.72-4/9+2.28-5/9

列式计算 4/7×3/5+3/7÷5/3 3.72-4/9+2.28-5/9
4/7×3/5+3/7÷5/3
=4/7×3/5+3/7×3/5
=3/5×(4/7+3/7)
=3/5×1
=3/5
3.72-4/9+2.28-5/9
=3.72+2.28-4/9-5/9
=6-1=5

4/7×3/5+3/7÷5/3
=4/7×3/5+3/7×3/5
=3/5×(4/7+3/7)
=3/5×1
=3/5