人教版小学数学五年级解方程练习题.doc

小学数学五年级解方程练习题9x+42.591 4.2 x+2.5x134 10.5x+6.5x=51 89x-43x=9.2 5x-45=100 1.2x-0.5x=6.3 83.4-2x=56 52.8-3x=48.6 13.253X=0.403 2X-5.7=2.15+ X 15+5X-2X=18 3.52= 4.2+ X 261.5= 2x+10 0.516160.2=4x 16.23X=0. 3 52(X+2.62) =2.6 7x1333x 130.5 5x80 1.8 +6x54 6.7x 60.36.7 9 4x 40 15 5X-2X=18 3.52= 4.2 x+1 261.5= 2x+3 0.516160.2=4x+1.2 9.252X=0.403 16.9(X+4)=0.3 133(5+x)80 0.36-6x54 6.7x60.36.7 9 4x40 0.2x0.40.53.7 9.4x0.4x16.2 124x20 （ x5）61.4 12x34x=1 18x14x=12 23 x514=14 1234x=56 23x=14x14 30x-12x14x=1 x-0.7x=3.6