怎样简便就怎样算.92.8÷8÷1.2518.9-18.9÷1.4[(8.1-5.6)×0.9-1]×0.48.25×4
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/18 01:09:40
怎样简便就怎样算.
92.8÷8÷1.25 | 18.9-18.9÷1.4 |
[(8.1-5.6)×0.9-1]×0.4 | 8.25×4.08+0.75×4.08+4.08. |
①92.8÷8÷1.25
=92.8÷(8×1.25)
=92.8÷10
=9.28
②18.9-18.9÷1.4
=18.9-18.9×
5
7
=18.9-13.5
=5.4
③[(8.1-5.6)×0.9-1]×0.4
=[2.5×0.9-1]×0.4
=[2.25-1]×0.4
=1.25×0.4
=0.5
④8.25×4.08+0.75×4.08+4.08
=(8.25+0.75+1)×4.08
=10×4.08
=40.8
=92.8÷(8×1.25)
=92.8÷10
=9.28
②18.9-18.9÷1.4
=18.9-18.9×
5
7
=18.9-13.5
=5.4
③[(8.1-5.6)×0.9-1]×0.4
=[2.5×0.9-1]×0.4
=[2.25-1]×0.4
=1.25×0.4
=0.5
④8.25×4.08+0.75×4.08+4.08
=(8.25+0.75+1)×4.08
=10×4.08
=40.8
怎样简便就怎样算.92.8÷8÷1.2518.9-18.9÷1.4[(8.1-5.6)×0.9-1]×0.48.25×4
1999×99+1999怎样简便就怎样算 (80%-2分之1×5分之4)÷3分之2怎样简便就怎样算
怎样简便就怎样算.4.27÷0.7×1.3 18.9-18.9÷1.4 8×
怎样简便就怎样算 2.4÷(0.7+0.14) 17.6-7.6×1.4-5.36
120÷25怎样简便就怎样计算
怎样简便就怎样算:101×33-808÷18
(3/4)+(37/7)×(1/4)+(26/7)÷4 怎样简便就怎样算
一、怎样简便就怎样算.(1)(5/12-1/20)÷1/60 (2)2/25×(75/2+1/4) (3)3-6/5÷8
19 × 96 + 962 ÷ 74 400 -(1300 ÷ 65 + 35) 怎样简便就怎样算.
怎样简便就怎样计算7/9÷4/15+2/9×15/14
怎样简便就怎样算.718
怎样简便就怎样算.12.75-(6.57+2.75)4.8÷0.24÷25.8-1.29+4.2-7.71 &