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4.4+4.4X12+13X5.6的简便方法怎么算?

题目详情
4.4+4.4X12+13X5.6的简便方法怎么算?
▼优质解答
答案和解析
4.4+4.4X12+13X5.6
=4.4X(1+12)+13X5.6
=4.4X13+13X5.6
=13X(4.4+5.6)
=13X10
=130