(2.46-0.26)*()+12.5/0.5=60.2
1个回答
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原式=2.2*()+25=60.2
方程思想:2.2x=60.2-25(移项)
2.2x=35.2
x=16(系数化为1)
相关问题
12.5*2.5*0.8*46简便计算
0.46×7.5+0.46×2.5
脱式计算,能简算的要简算: 46.5×99+46.5 12.5÷2.5÷0.4 2
5(X-7)=26.5 4(X+8.2)=40.8 (X-0.52)÷4=1.12 1.5×(X-8)=60
(1)0.18 ∶0.27∶4.5 (2)90∶60 ∶30 (3)0.27∶0.12∶2.4
3.7乘以0.46.0.074乘以5.9.2.4除以0.26.0.742除以3.8.15.5除以0.5.97.13减7.
(60分)3×5+2x=272.5x+1.5=18.51.2x-0.9=0.87(x+4.4)×12=60
(1)26.8-320%-6.8-680% (2)5.2-(60%+2.4除以0.6)
2/5:x=4/5:60 0.2/6.3=X/5 0.6:x=15:1 12:14=X :1/6
脱式计算.(1)15÷5-0.87; (2)2.3÷0.46÷2.5;