五年级数学脱式练习题VIP

五年级数学起飞练习一次性计算30.814-(9.85+1.07)60-(9.5+28.9)0.182.8810.43-0.243.520(2.44-1.8)0.4+0.1528-(3.4 1.252.4)2.557.1 2.457.17779 111130.815.5-(3.21 5.79)(31.8 3.24)531.54(6 3)0.64257.8 2.222.5 2.52194-64.81.80.936.724.259.95180-7056242.4-2.50.8(4121 2389)767115-97446912 1492405(3213-3189)3.416(0.01635)0.8(10-6.76)1.219.46.12.35.670.2-0.6218.10.92 3.930.0430.24 0.8750.40.70.250.75102 100-56.230.78 5.436 14.070.86 9.12.530.814-(9.85+1.07)60-(9.5+28.9)0.182.8810.43-0.243.520(2.44-1.8)0.4+0.1528-(3.4 1.252.4)2.557.1 2.457.17779 111130.815.5-(3.21 5.79)(31.8 3.24)531.54(6 3)0.64257.8 2.222.5 2.52194-64.81.80.936.724.259.95180-7056242.4-2.50.8(4121 2389)767115-97446912 1492405(3213-3189)3.416(0.01635)0.8(10-6.76)1.2两次计算(简化计算需要简化计算)问题中的斜线是一个分数线，如：(6/7斜线左边的数字6是分子，右边的数字7是分母，即6/7)，在做问题时以分数的形式书写。6/7+2/15+1/7+13/15 19/21+5/7-3/14 2/3+5/9-2/3+5/98/9(1/4-1/9)3/4 0.58 5/13 1.12 8/13 11-4/11-7/1122 5511-2/8 1/7 33.5 6/7-3.5 7.09-5/12 12.03-7/1214/15-(6/15 1/3)13/5-0.81 -0.19 7/8 1/8 -5/9 -4/95-(0.5-3/10)3.8 4.29 2.71 6.2 12.50.783.22 12.899 12.81.253.22.5 12.610112.6 38.52.50.46.710.1 6.5101 4.85981 . 22 . 5 0 . 82 . 5 2817.5287.5 4 . 812 . 57.68 - 7.680.58.10.92 3.93 0.0430.24 0.8750.40.70.25 0.75102 100-56.230.78 5.436 1 4.070.86 9.12.530.814-(9.85+1.07)60-(9.5+28.9)0.182.8810.43-0.243.520(2.44-1.8)0.4+0.1528-(3.4 1.252.4)2.557.1 2.457.17779 111130.815.5-(3.21 5.79