来源:学生作业帮 编辑:百度作业网作业帮 分类:综合作业 时间:2024/05/04 17:56:53
几道弱智五年级简便计算
67.5÷0.125+32.5×8
75.43÷0.01-25.43×100
6.3-(2.1÷1.15)
67.5÷0.125+32.5×8
=67.5*8+32.5*8
=(67.5+32.5)*8
=100*8
=800
75.43÷0.01-25.43×100
=75.43*100-25.43*100
=(75.43-25.43)*100
=5000
6.3-(2.1÷1.15)
=6.3-2
=4.3