0.5x-13.2×
1个回答
0.5x=6+66
x=144
相关问题
-13×2/3-5/7×0.35-1/3×(-13)-2/7×0.35
-13×2/3-0.34×2/7+1/3×(-13)-5/7×0.34
-13×2/3-0.34×2/7+(-13)-5/7×0.34简便运算
计算:-13×[2/3]-0.34×[2/7]+[1/3]×(-13)-[5/7]×0.34.
计算:-13×[2/3]-0.34×[2/7]+[1/3]×(-13)-[5/7]×0.34.
解方程: 2.7×2-1.5x=0 13x-6.8x+x=46.8 2.6x-6.5+3.5=10 2×(x-0.7)=
简便计算:7/8×(1-75%)+1/4+0.25×1/2 49.5×13.5+50.5×13-0.5×49.5
计算:−12−(1−0.5)×13×[2−(−2)2].
(13+0.2) ×78÷(3-0.5)