五年级计算题200题.doc

五年级计算题200题 一、简便计算（70题）100.4322.568=9.35.262.74=13.75(3.756.48)=35.61.815.67.2=13.354.682.65=47.87.458.8=18.325.474.32=7.852.340.854.66=14.9（5.24.9）=13.4（3.45.2）=17.295.286.29=3.687.562.68=256.80.04=0.25320.125=6.41.2512.5=230.12.39.9=0.45201=0.5810.1=50.299=4.79.9=3.6102=0.2516.24=3.285.76.725.7=0.184.260.184.26=2.1992.1=1.79.90.17=3.723.56.283.5=6.40.253.64=3.750.52.752=7.342.70.25=5.260.1252.748=4.23.5=9.5（1.98）=（11.79.9）0.9=9300.65=12.8（0.41.6）=（7.71.54）0.7=6.31.8=63.42.50.4=0.581.30.581.3=3- 7/12 - 12/5=5/7 3/8 5/8 5/7 =25 1/3 5/2 3/10=2/15 3/11 15 11=1/8 1/2 (3/5 10/9)=8/15 5/16 5/27 10/9=2/3 7 2/3 5=1/6 - 1/12 24 - 4/5=5/7 47 4/7 ） 47=1/5 （2/3 1/5） 1/13 =(5/12 - 1/4） 5/6=(32 1/4 17) 5/12=5/9 7/12 5/12 9/5=(25 3/4) 1/4 1/4=18/25 9/16 7/25 9/16 9/16=2/3 5/4 2/5 - 5/6=(99 9/10) 9=(21 3/7 4/7 21) 1/4=14/15 (4/5 2/3) 10/11 =1/3 3 1/2=(5/6 4/5) 30=4/5 5/6 5/8=63 (5/9 4/21 - 3/7)= 5/8 - (1/2 1/3) 3/4 16/23=(35 15/19) 2/17=(19 4/9) (9 4/19)(2 7/9)(1 6/19)=7/13 9 1/9 1/9 6/13=23/24 19=51.25 4/5 (61 1/5) 5/6 (71 1/6) 7/6=1(1 1/2)(1 1/3)(1 1/4)1 1/19)=二、脱式计算（60题） 1757525=683513=725（125237）=（114166）35=432（98）=1896040=216305=4723664=2544=10299=2125=645-180-245=382101-382=460508=358+356-435=0.1750.254=0.1750.250.4=200（17272）25=630840（240212）=80025=2000125=25634=9000125=9911=794198 =6825=428(30801980)7426756193207=72125=973603360=124252524=2800100789=75138（100-54）=85(95144024)=24078（154-115）=80400(430087015)=14372727563=75-（12+18）15=(6.8-6.80.55)8.5=7.20.8-1.25=864（2723）12=（453816）24=500（240386）=64（8742）15=（845153）1612（4928）7=450（8448 ）12=（58+37）（64-95）=0.124.80.124.8=95（64-45）=6.5（4.8-1.24）=（284+16）（512-820818）=178-14556+42=812-700（9+3111）=120-36418+35=32.52-（6+9.7283.2）2.5=(3.21.5+2.5)1.6=5.8(3.87-0.13)+4.23.74=(6.8-6.80.55)8.55.38+7.85-5.37=（7.1-5.6）0.9-1.152.5=85+14（14+20826）=（58+37）（64-95）=三、方程式计算（70题） 2x+8=16x5=10x+7x=89x-3x=66x-8=45x+x=9x+7x=8x5=10x-8=6x45x=202x-6=122x+8=169x-3x=66x-8=45x+x=9x-8=6x45x=202x-6=12x-56=712x-8=47x+7=146x-6=05x+6=112x-8=103x+7=283x-7=269x-x=1624x+x=50x + 5/6 = 1 + 1/61/6 + x = 2/3x - 2/5 = 3/105/6 - x = 1/33/7 - x = 1/3x + 6/7 = 1 + 1/73/8 - x = 1/8x + 1/4 = 1 + 1/5x - 4/9 = 3/4x + 5/7 = 1 + 1/73/5 - x = 1/2x - 3/8 = 5/12x - 2/7 = 1/9x + 1/2 = 1 + 1/95/3 - x = 3/53/8 - x = 1/9x + 5/3 = 3 + 1/6x - 2/7 = 3/11x - 2/7 = 3/13x + 5/9 = 1 + 1/33/5 - x = 1/12x + 5/4 = 2 + 1/71/7 + x = 2/9x - 1/5 = 7/105/9 - x = 1/66/7 - x = 1/4x + 5/8 = 1 + 1/4x - 2/35 = 3/20x + 5/12 = 1 + 1/65 + 3/7 - x = 3 + 1/14x + 5/9 = 1 + 1/6x + 5/6 = 1 + 1/91/12 + x = 2/3x - 2/15 = 3/103/12 - x = 1/185/12 - x = 1/241 + 5/12 - x = 1/3x + 7/12 = 1 + 1/18x - 2/9 = 3/1812/13 - x = 15/26x + 5/2 = 5 + 1/63/12 - x = 1/18