解方程0.05(x+7)=35 (x+4)/5=6 x/5+9=21 0.36x=72 (200-x)/5=30 简算 0.65*102 9.87-(5.87+2.9)(0.25+0.48)*4 (0.36+1.29)/340*28*25 39*199+3927*99 5.34*1.8+5.34*7.2+5.24脱式计算43.8/[(1.32-0.24)*5]急要步骤可分开答43.8/[52.4-(23.1+4.7)]解方程不要步骤
问题描述:
解方程0.05(x+7)=35 (x+4)/5=6 x/5+9=21 0.36x=72 (200-x)/5=30 简算 0.65*102 9.87-(5.87+2.9)
(0.25+0.48)*4 (0.36+1.29)/3
40*28*25 39*199+39
27*99 5.34*1.8+5.34*7.2+5.24
脱式计算
43.8/[(1.32-0.24)*5]
急要步骤
可分开答43.8/[52.4-(23.1+4.7)]解方程不要步骤
答
0.05(x+7)=35 x=693(x+4)/5=6 x=26x/5+9=21 x=600.36x=72 x=200(200-x)/5=30 x=500.65*102=0.65*100+0.65*2=66.39.87-(5.87+2.9)=9.87-5.87-2.9=1.1(0.25+0.48)*4=0.25*4+0.48*4=2.92(0.36+1.29)/3=0.36/3+1.29/3=...