简算8.6*5.4+0.86+86*0.45

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简算8.6*5.4+0.86+86*0.45

简算8.6*5.4+0.86+86*0.45
简算8.6*5.4+0.86+86*0.45

简算8.6*5.4+0.86+86*0.45
8.6*5.4+0.86*+86*0.45
=8.6*5.4+8.6*0.1+8.6*4.5
=8.6*(5.4+0.1+4.5)
=8.6*10
=86