7.28×0.1+0.5×72.8+0.49×728求简算
7.28*0.1+0.5*72.8+0.049*728的简便计算,急!急!急!
9.81×0.1+0.5×9.81+0.49×981 简算
9.81*0.1+98.1*0.5+981*0.49的简便运算
求简算 0.7×0.5÷0.7×0.5
1.25×(8÷0.5)求简算
4.9÷(0.49*0.5)简便计算
几道计算题一、 直接写得数:(共9分)1-0.09 = 4.25+0.5 = 28÷0.1 = 2÷5 = 0.49÷0
0.7x(x+0.5)=0.49 解方程
|-0.25|-【+(-5.75)】+(-0.1)-|-(+0.5)|
"(o˘д˘)o "
计算:0.1+0.3+0.5+...19.9
0.1和0.5哪个大