方程0.7(5÷8)+X(3÷8)-0.8=0.8×25%
1个回答
方程两边*8 0.7*5+3x-6.4=6.4*0.25
3x=6.4*0.25+6.4-0.7*5
3x=6.4*1.25-0.7*5
3x=4.5
x=1.5
相关问题
口算4.8÷3= 1.8×0.5= 0.04×5= 0÷8.13= 25.2÷6= 3.5×0.07= 3.6÷1.8=
口算 5×4=6.4÷0.8=7.2×0.01=10÷4=0.36×2=1÷0.125=0.25×8=8.1÷0.3=0
3.8÷1.25÷1.25÷8÷8 0.368×(4.82+5.7+5.18+2.9)÷3.68
1÷0.5= 5÷40= 2.4×3= 0.8×0.5= 12-8.9= 3.2÷0.8= 4.01÷100= 1.7×
直接写出得数.1.8÷0.6= 5.2×5= 6.3÷0.7= 1.25×0.8= 17×0.3= 0.96÷2= 0×
(-2/3)×(-8/5)÷(-0.25)-8(计算,
1.8+18÷1.5-0.5×0.3 (0.62+7.638÷0.1)÷0.25
3.25×7,.8-7.8(简便计算)(5x-4)÷5=4(解方程)5x-3x1.3=0(解方程)(x+0.5)×3=4
7.2÷1.8+6.8×0.5 3.7+6.3÷0.6-0.4
25×8=8.5-3.7=0.56÷0.07=4×9.2×0.25=[5/6−23]=[2/3+15]=[5/8−34+