五年級(jí)上冊(cè)解方程計(jì)算專題練習(xí)

1、五年級(jí)上冊(cè)解方程計(jì)算專題姓名:精選(0.5+x)+x=9.8 *212x-8x=4.891* x= 1.33x+9=272(X+X+0.5)=9.87.5*2X=15X+8.3=10.718(x-2)=27025000+x=6x1.2x=81.615x= 312x=300-4x3200=450+5X+Xx+5.6=9.43x 8= 167x+5.3=7.4X-0.8X=6x-0.7x=3.67(x-2)=2x+33x* 5=4.830* x+25=851.4 X8-2x=65X3-X 十 2=810.5+x+21=56(27.5- 3.5) - x=41.5x+18=3x48-27+5x=31

2、7(6.5+x)=87.55(x+8)=102精選6X-12.8 X 3=0.060.273 - x=0.35x+2x+18=78x+19.8=25.8410-3x=1701.8x=0.972(200- x) - 5=305.6x=33.63(x+0.5)=21X 十 0.756=90(x- 140) - 70=49.8-x=3.80.5x+8=439x-40=50.1(x+6)=3.3 X 0.475.6 -x=12.66x-3x=18X* 5+9=214(x-5.6)=1.65x+12.5=32.3x+3x+10=7020-9x=1.2 X 6.2513.2x+9x=33.32x-97=3

3、4.24x-1.3 X 6=2.6(x- 3) - 2=7.513(x+5)=1699x+4X 2.5 = 91精選3(x+3)=50-x+36x+12.8=15.83x=x+1003.4x-48=26.85x+15=60150X 2+3x=690x+4.8=7.242x+25x=1343.5-5x=22x-20=46x+18=481.5(x+1.6)=3.60.3 X 7+4x=12.53x+6=183(x+2.1)=10.52(x-3)=5.8X 十 1.5-1.25=0.752(2.8+x)=10.412x-9x=8.765x+7=424.2X+2.5X = 1344.5x-x=2813

4、9.25 X=0.4039+ 4x= 40精選10.5x+6.5x=51X-5.7=2.1516.9 - X=0.32x+8=1689x-43x=9.2155X-2X=1823x=14x+1423x-14x=145x-45=1003X+0.7=5x + 14x=65x+7x=81.2x-0.5x=6.33.5 X 2=4.2+x3 5x= 809x-3x=623.4=2x=5626 X 1.5=2x+101.8+6x = 546x-8=44x-x=48.60.5 X 16 16X 0.2=46.7x 60.3 = 6.75x+x=9x-8=6x1/2x-8=43x-8=3015+6x=272x

5、-8=106/7x-8=414-6x=88x+9=17精選4/5x=20x-5/6=76x+6=125-8x=42x-6=123x+7=283x-3=17x+8=157x+7=143x-7=265x-3x=49-2x=16x-6=09x-x=162x+16=194+5x=95x+6=1124x+x=505x+8=1910-x=89+6x=148-7x=16-2x=1126 X 1.5=2x精選x+9x=4+7x-30=12x+4+8=230.5 X 16 16X 0.2=42x+9=176x-21=217x-12=89.25 X=0.4038-4x=66x-3=6X-5.7=2.1516.9

6、- X=0.36x-7=129x=18155X-2X=18X 十 0.5=2.67x-9=84x-18=133X0.7=53 5x= 80x-56=15x+9=113.5 X 2=4.2x1.8-6x = 546.7x 60.3 = 6.718x 14x=123200=450+5X+X91-x = 1.3精選9 + 4x = 4023x 5X 14=14X-0.8X=6X+8.3=10.70.2x 0.4 + 0.5 =12+34x=5612x-8x=4.815x = 33.72214x=127.5*2X=153x 8= 169.4x 0.4x = 16.2(0.5+x)+x=9.8 寧 21

7、.2x=81.67(x-2)=2x+312 4x= 202(X+X+0.5)=9.8x+5.6=9.43x+9=271/3x + 5/6x = 1.425000+x=6xx-0.7x=3.618(x-2)=27012x+34x=112x=300-4x3(x+0.5)=21X 十 0.756=90(x- 140) - 70=4精選7x+5.3=7.40.5x+8=439x-40=50.1(x+6)=3.3 X 0.43x 十 5=4.86x-3x=18X* 5+9=214(x-5.6)=1.630* x+25=851.5x+18=3x48-27+5x=317(6.5+x)=87.51.4 X8-

8、2x=65X3-x* 2=810.5+x+21=56(27.5- 3.5) * x=46x-12.8 X 3=0.060.273 * x=0.35x+2x+18=784x=440410-3x=1701.8x=0.972(200- x) * 5=302.1x=16.818(x-2)=27012x=300-4x0.1(x+6)=3.3 X 0.47(6.5+x)=87.54(x-5.6)=1.6(27.5- 3.5) - x=418(x-2)=2707x+5.3=7.4精選(1)甲數(shù)是3.5，比乙數(shù)多a,乙數(shù)是,甲、乙兩數(shù)的和是(2)用a元買了單價(jià)為1.8元的西瓜2千克，應(yīng)找回丿元。比x少5的數(shù)與a相乘的積是a的5倍減去4.8的差是(5)a與b的和的一半是(6)食堂買來(lái)a千克大米，吃了 b千克,還剩千克。(7)買20支鋼筆共付c元，每支鋼筆的價(jià)