35×4/5+55÷5/4简算

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35×4/5+55÷5/4简算

35×4/5+55÷5/4
=35x4/5+55x4/5
=(35+55)x4/5
=90x4/5
=72

35×4/5+55÷5/4
=35×4/5+55x4/5
=4/5x(35+55)
=4/5x90
=4x18
=72

55/5*4*4/4