1、一、求加數(shù)或求因解方程專題姓名：家長簽字：數(shù)的方程加數(shù)和加數(shù)7+x=19x+120=17658+x=90 x+150=29079.4+x=95.52x+55=1291因數(shù)積因數(shù)7x=63x9=4.54.4x=444x4.5=90 x5=1006.2x=124二、求被減數(shù)或求被除數(shù)的方程被減數(shù)差+減2數(shù)x6=19x3.3=8.9x25.8=95.4X54.3=100 x77=275x77=1443被除數(shù)商除數(shù)x7=9x4.4=10 x78=10.5x2.5=100 x3=33.3x2.2=84三、求減數(shù)或除數(shù)的方程減數(shù)被減數(shù)減數(shù)9x=4.573.x=52.574.87x=2266-x=32.37

2、7-x=21.999-x=61.95除數(shù)被除數(shù)商3.3x=0.38.8x=4.49x=0.037x=0.00156x=539x=3四、帶括號(hào)的方程（先將小括號(hào)內(nèi)的式子看作一個(gè)6整體來計(jì)算，然后再來求方程的解）3(x4)=46(+x)5=15先把(x4)當(dāng)作因數(shù)算。先把(8+x)當(dāng)作被除數(shù)算。(x5)3=1615(x+0.5)=1.5先把(x5)當(dāng)作算。先把(x+0.5)當(dāng)作算。7五、含有兩個(gè)未知數(shù)的，我們可以用乘法分配律來解答，求出方程的解。12x+8x=4012x8x=4012xx=26解：(12+8)x=4020 x=40 x=40208x=2x+0.5x=6x0.2x=321.3x+x=

3、26五年級(jí)解方程練習(xí)題3X+5X=4814X-8X=1296*5+2X=4420X-50=5028+6X=8832-22X=1024-3X=310X*（5+1）=6099X=100-XX+3=18X-6=1256-2X=20104y+2=63x+6=1816+8x=404x-3*9=298x-3x=105x-6*5=422x+3=1012x-9x=96x+18=48x+32=762x-8=8x+5=71156x-50 x=305x=1578-5x=2832y-29=35x+5=1589x-9=80100-20 x=2055x-25x=6076y-75=123y-23=234x-20=01280

4、y+20=10053x-90=162x+9x=1112y-12=2480+5x=1007x-8=665x+35=10019y+y=4025-5x=151379y+y=8042x+28x=1403x-1=890y-90=9080y-90=7078y+2y=16088-x=809-4x=120 x=4065y-30=10051y-y=1001485y+1=-8645x-50=40(0.5+x)+x=9.822(X+X+0.5)=9.825000+x=6x3200=450+5X+XX-0.8X=612x-8x=4.87.5*2X=15151.2x=81.6x+5.6=9.4x-0.7x=3.691x1.3X+8.3=10.715x33x8167(x-2)=2x+33x+9=2718(x-2)=2701612x=300-4x7x+5.3=7.43x5=4.830 x+25=851.48-2x=66x-12.83=0.06410-3x=1703(x+0.5)=210.5x+8=436x-3x=181.5x+18=3x53-x2=80.273x=0.351.8x=0.972x0.756=909x-40=5x5+9=2148-27+5x=3110.5+x+21=56x+2x+18=78(