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脱式计算:73.8×16-7.38×60 = = 1375+450÷18×25 = = 368÷[1÷(2.1-2.09

来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/23 00:19:17
脱式计算:73.8×16-7.38×60 = = 1375+450÷18×25 = = 368÷[1÷(2.1-2.09)] = =
脱式计算:73.8×16-7.38×60
=
=
1375+450÷18×25
=
=
368÷[1÷(2.1-2.09)]
=
=
73.8×16-7.38×60
=7.38×16×10-7.38×60
= 7.38×(160-60)
=7.38×100
=738
脱式计算:1375+450÷18×25
=1375+25×25
=1375+625
=2000
368÷[1÷(2.1-2.09)]
=368÷(1÷0.01)
=368÷100
=3.68