作业帮简便运算：102.36×49 2.25×1.8+1.25×0.18
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/10 10:00:48
简便运算：102.36×49 2.25×1.8+1.25×0.18
简便运算：102.36×49 2.25×1.8+1.25×0.18
简便运算：102.36×49 2.25×1.8+1.25×0.18
102.36×49
=102.36×(50-1)
=5118-102.36
=5015.64
2.25×1.8+1.25×0.18
=0.18×(2.25x10+1.25)
=0.18×(22.5+1.25)
=0.18×23.75
=0.18×(25-1.25)
4.5-0.225
=4.275
102.36×49
=102.36×(50-1)
=5118-102.36
=5015.64
2.25×1.8+1.25×0.18
=0.18(2.25x10+1.25)
=0.18(22.5+1.25)
=0.18×23.75
=4.275
2.25×1.8+1.25×0.18 的简便运算