括号3.6-0.85括号乘1.8÷2.5简便计算

括号3.6-0.85括号乘1.8÷2.5简便计算

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（腊戚顷轮陆3.6-0.85）仔姿x1.8÷2.5
=2.75÷2.5x1.8
=1.1x1.8
=1x1.8+0.1x1.8
=1.8+0.18
=1.98

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