4.79×1.3= 18.89×0.72= 7.43×6.5 25.76×0

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/21 16:29:00

4.79×1.3= 18.89×0.72= 7.43×6.5 25.76×0
4.79×1.3= 18.89×0.72= 7.43×6.5 25.76×0.2

6.227 13.6008 48.295 5.185

0.5x-0.7=-1.3x+6.5 0.5x-0.7=6.5-1.3x 5x-0.7=6.5-1.3x 解方程1.3x/2=6.5 解方程：0.5x-0.7=6.5-1.3x．简便运算：（6.5*0.68*2.28）/(1.3*1.7*0.19)=? 解一元一次方程：0.5x-0.7x=6.5-1.3x x-0.72=2.8 ()-0.72 X ()=56 18.79-(4.79+3又5分之3)-0.4= 0.72千克=（）克 3.8×3.8+36×0.72=?