799999 + 79999 + 7999 + 799 + 79 + 5
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/05 18:56:13
799999 + 79999 + 7999 + 799 + 79 + 5
138 x 1又4分之1 + 23.3 x(2 - 百分之75)- 百分之125 x 38 + (1 + 0.25 )x 28.7
138 x 1又4分之1 + 23.3 x(2 - 百分之75)- 百分之125 x 38 + (1 + 0.25 )x 28.7
1.799999 + 79999 + 7999 + 799 + 79 + 5 =
800000-1+80000-1+8000-1+800-1+80-1+5 =
888880-5+5 = 888880
答案为888880
138 x 5/4 +23.3 x5/4 -5/4 x 38 +5/4 x28.7=
5/4 x (138+23.3-38+28.7) =
5/4 x 152 = 190
答案为190
800000-1+80000-1+8000-1+800-1+80-1+5 =
888880-5+5 = 888880
答案为888880
138 x 5/4 +23.3 x5/4 -5/4 x 38 +5/4 x28.7=
5/4 x (138+23.3-38+28.7) =
5/4 x 152 = 190
答案为190
799999 + 79999 + 7999 + 799 + 79 + 5
(1) 7+79+799+7999+79999
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