1.25*17.6+36.1/0.8+2.36*12.5
=22+45.125+29.5
=96.625(脱式计算)
1.25*17.6+36.1/0.8+2.36*12.5
=1.25*(17.6+23.6+36.1)
=1.25*77.3
=96.256(简便算法)
第二项除以0.8就是乘以1.25啊，
化简为
1.25*(17.6+36.1+23.6)
1.25*17.6+36.1/0.8+2.36*12.5
=22+45.125+29.5
=96.625(脱式计算)
1.25*17.6+36.1/0.8+2.36*12.5
=1.25*(17.6+23.6+36.1)
=1.25*77.3
=96.256(简便算法)
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