五年级数学脱式练习题.doc

五年级数学脱式练习题一 脱式计算30.814(9.851.07) 60(9.528.9)0.18 2.8810.430.243.5 20(2.441.8)0.40.15 28-(3.4+1.252.4) 2.557.1+2.457.1 7779+11113 0.815.5-(3.21+5.79) （31.8+3.24）5 31.54(6+3) 0.64257.8+2.2 22.5+2.52 19464.81.80.9 36.724.259.9 51807056 242.42.50.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189) 3.416（0.01635） 0.8(106.76)1.2 19.46.12.3 5.670.2-0.62 18.10.92+3.93 0.0430.24+0.875 0.40.70.25 0.75102 100-56.23 0.78+5.436+1 4.070.86+9.12.5 30.814(9.851.07) 60(9.528.9)0.18 2.8810.430.243.5 20(2.441.8)0.40.15 28-(3.4+1.252.4) 2.557.1+2.457.1 7779+11113 0.815.5-(3.21+5.79) （31.8+3.24）5 31.54(6+3) 0.64257.8+2.2 22.5+2.52 19464.81.80.9 36.724.259.9 51807056 242.42.50.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189) 3.416（0.01635） 0.8(106.76)1.2 二 脱式计算（能简算要简算）题中的斜线是分数线 如:(6/7 斜线左边的数6是分子,右边的数7是分母，即7分之6)，做题时写成分数的形式。6/72/151/713/15 19/215/73/14 2/35/92/35/98/9+（1/41/9）+3/4 0.58+5/13+1.12+8/13 11-4/11-7/11 22+5511-2/8 1/7+33.5+6/7-3.5 7.09-5/12+12.03-7/1214/15（6/15 +1/3） 13/50.81 0.19 7/8+1/8 5/9 4/9 5 （0.5 3/10 ） 3.8+4.29+2.71+6.2 12.50.783.22 12.899+12.8 1.253.22.5 12.610112.6 38.52.50.4 6.710.1 6.5101 4.8598 1.22.5+0.82.5 2817.5287.5 4.812.5 7.68 - 7.680.5 8.10.92+3.93 0.0430.24+0.875 0.40.70.25 0.75102 100-56.23 0.78+5.436+1 4.070.86+9.12.5 30.814(9.851.07) 60(9.528.9)0.182.8810.430.243.5 20(2.441.8)0.40.1528-(3.4+1.252.4) 2.557.1+2.457.17779+11113 0.815.5-(3.21+5.79