99.99乘0.8加11.11乘2.8简算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/15 09:09:32
99.99乘0.8加11.11乘2.8简算99.99乘0.8加11.11乘2.8简算99.99乘0.8加11.11乘2.8简算99.99×0.8+11.11×2.8=(11.11×9)×0.8+11.

99.99乘0.8加11.11乘2.8简算
99.99乘0.8加11.11乘2.8简算

99.99乘0.8加11.11乘2.8简算
99.99×0.8+11.11×2.8
= (11.11×9)×0.8+11.11×2.8
= 11.11×(9×0.8)+11.11×2.8
= 11.11×7.2+11.11×2.8
= 11.11×(7.2+2.8)
= 11.11×10
= 111.1