1解方程（带写检验过程）姓名： 分数： 0.19 x0.019 8x0.4 x3.218.23x654 7x +1.519 5x4323.6x18 6x2634 3x5.415.6x +6.68.4 0.93x0.31 x1.26.716x31.8 2.5 x4.1 x4.80.457+x=19 x+120=176 58+x=90x+150=290 79.4+x=95.5 2x+55=1297 x=63 x 9=4.5 4.4x=444 2x 4.5=90 x 5=100 6.2x=124x6=19 x3.3=8.9 x25.8=95.4 x54.3=100 x77=275 x77=144x 7=9 x4.4=10 x78=10.5x2.5=100 x3=33.3 x2.2=8 9x=4.5 73.2x=52.5 87x=2266x=32.3 77x=21.9 99x=61.93.3x=0.3 8.8x=4.4 9x=0.037x=0.001 56x=5 39x=3
