五年级上册解方程练习

练习五

3(x-6)=12 6(2x+9)=84 5(x+0.7)=10 0.5(x-4.5)=5.4

4(x-6.4)=3.2 8(x-6.4)=7.2 2(x-3.5)=3.2 0.8(x+2.7)=6.4

0.8(x+2.5)=5.6 0.4(x-1.9)=1.6 (0.3x-6)

(65+6x)÷1.1=70 (2.1x-0.9)

÷6=3 (4.5x+6.8)÷5=1.2 (8.7+x)÷2.6=5.5 ÷0.5=19 (6x+7)÷5.5=10