8.2+1.8÷2.5-1.5×0.6 怎样简算,4又6分之一减x等于2又5分之3怎样解方程!急,
求你们了,不然明天我不教,会被骂的
人气:330 ℃ 时间:2019-08-19 12:05:26
解答
=8.2+1.8*0.4-1.5*0.6=8.2+1.8*0.4-1.5*(0.4+0.2)=8.2+1.8*0.4-1.5*0.4-1.5*0.2=8.2+(1.8-1.5)*0.4-1.5*0.2=8.2+0.3*0.4-1.5*0.2=8.2+0.3*2*0.2-1.5*0.2=8.2+0.6*0.2-1.5*0.2=8.2-(1.5-0.6)*0.2=8.2-0.9*0.2==...
推荐
猜你喜欢
- he sits () tom and mary 注 between不能用,因为我这里没有between选择
- 48,a,b,c,-12是等差数列中的连续五项,则a,b,c的值
- 八年级上册函数习题
- 当a的取值范围是_____时,级数∑n^2/a^n收敛,求解过程.
- 一个半圆和一个三角形(组合图形)半圆的直径是12厘米三角形是等腰直角三角形求面积
- 125×(8×4)=125×8+125×4=1000+500=1500对吗?
- many teachers don`t like their stuents to use e-mail english in their 什么english
- 趣味数学题,要有答案!