0.36*72+36*0.28简便运算30分钟内要!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/11 01:48:28
0.36*72+36*0.28简便运算
30分钟内要!
0.36*72+36*0.28
=0.36*72+0.36*28
=0.36*(72+28)
=0.36*100
=36
0.36*72+36*0.28
=36*0.72+36*0.28
=36*(0.72+0.28)
=36*1
=36
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/11 01:48:28
0.36*72+36*0.28简便运算
30分钟内要!
0.36*72+36*0.28
=0.36*72+0.36*28
=0.36*(72+28)
=0.36*100
=36
0.36*72+36*0.28
=36*0.72+36*0.28
=36*(0.72+0.28)
=36*1
=36