解方程(一) X-2.8=9 6x=8.4 x-1.8=4 姓名: x÷6=3.6 x-2.72=3.8 X÷2.5=0.8 4x+18=30 1.8×3+5x=15.4 16+8x=40 3.4x-6×8=26.8 2x-5.2=2.8 2x+2.8×2=10.4 5x+5.5=7 3x+44=65 6x-2.7=1.5 (x-3)×9=63 13(x+5)=169 (x-3)÷2=7.5 15×(x+0.6)=18 2x+x=3.3 (2.81+x)÷2=5.62 7(x-1.2)=2.1 4x+6=36 7(x-1.2)=2.1 (x-3)÷4=7.2 10x-2x=24 x+1.8x=22.4 5.4x+x=12.8 x+2.4x=5.1 5.9x-2.4x=7 c Om 5x-1.4x=7.2 3.8x-2.45x=13.5 12x-9x=8.7 6x+2.1=8.28 5(x-2.4)=15 解方程(二)x k b 1 .c o m 4x-0.4=9.4 0.6x+0.4×3=4.2 2x+1.9=2.5 姓名: 4x+1.5x=4.4 3.6x-1.2x=24 2x÷4=1.5 6x+0.2×5=5.2 4x+36=96 2(x-9.7)=34.2 6(x+1.5)=13.2 X-0.68x=16 8x÷4=16 9x-34=11 3x-1.2=2.4 12x-9x=8.7 Om 6x+18=48 3(x+2.1)=10.5 x+4.8=7.2 2x-0.3×8=1.2 5x+15=20 5(x+2.3)=25.5 3(x-1.7)=3.6 2(x+2×3)=50 (x-7)÷3=12 2x-0.7×8=2.4 1.85+x=5.6 30x÷2=360 9×(x-3.4)=67.5 8x-7.2×4=40.8 8.4x-3.6x=45.6