5.6+2.7-3.6的简便计算,要脱式计算.

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5.6+2.7-3.6的简便计算,要脱式计算.
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5.6+2.7-3.6的简便计算,要脱式计算.
5.6+2.7-3.6的简便计算,要脱式计算.

5.6+2.7-3.6的简便计算,要脱式计算.
=5.6-3.6+2.7
=2+2.7
=4.7

5.6+2.7-3.6
=5.6-3.6+2.7
=2+2.7
=4·7