题目内容
【题目】（7.2-3.15）÷0.6×1.3
96.5×43.5+43.5×28.5-25×43.5
【答案】（7.2-3.15）÷0.6×1.3
=4.05÷0.6×1.3
=6.75×1.3
=8.775
96.5×43.5+43.5×28.5-25×43.5
=43.5×（96.5+28.5-25）
=43.5×100
=4350
【解析】先算括号内的乘法，再算括号内的减法，最后算括号外的，先算称出后算加减。
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题目内容
【题目】（7.2-3.15）÷0.6×1.3
96.5×43.5+43.5×28.5-25×43.5
【答案】（7.2-3.15）÷0.6×1.3
=4.05÷0.6×1.3
=6.75×1.3
=8.775
96.5×43.5+43.5×28.5-25×43.5
=43.5×（96.5+28.5-25）
=43.5×100
=4350
【解析】先算括号内的乘法，再算括号内的减法，最后算括号外的，先算称出后算加减。