题目内容
【题目】45.55-(6.82+15.55) 34.52-17.87-12.23
【答案】23.18;4.52
【解析】
45.55-(6.82+15.55)
=45.55-15.55-6.82
=30-6.82
=23.18
34.52-17.87-12.23
=34.52-(17.87+12.23)
=34.52-30
=4.52

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题目内容
【题目】45.55-(6.82+15.55) 34.52-17.87-12.23
【答案】23.18;4.52
【解析】
45.55-(6.82+15.55)
=45.55-15.55-6.82
=30-6.82
=23.18
34.52-17.87-12.23
=34.52-(17.87+12.23)
=34.52-30
=4.52