1、1.71.4 2.43.4 52.13 0.79 75.543.3 44.320.0 97.9950.3 45.510 四、列竖式计算。0.5650.1 0.990.34 24.40.62 3.81.249.90.9 3.10.34 0.580.92 3.729.12.20.02 0.718.5 4.91.2 0.5237.3五、计算。6.763.825.22 8.85(4.71.9) 7.189.051.84 7810.05 9445 0.274.66.73 0.30.980.30.02 0.050.40.8 7.10.74.90.4 740753 六、解方程。x2370 x691 3x15
2、 40x143 x311 x1456 8x864 9x27126 9x18117 66x84 8x3248 3x921 2千克403克( )千克 3.8米( )米( )分米 0.3里面有( )个0.1,0.074里面有( )个0.001, 苹果和梨的单价分别是每千克6.1元和4.7元,买n千克苹果和d千克梨,共需( )元。四年级有m人,三年级比四年级少37人,三年级有_人。0.8390.853 7.136.83 5.75.34 4.0014 6.2636.522 6.1964.8 0.19 60.3 0.003100 35.2100 0.4621000 0.040.5 0.0070.08 1.
3、70.02 7.56.5 8.91.1 5.22.1 0.32 97.920.4 30.410.0 98.7815.3 7.413.331.7 0.770.11 52.20.64 97.674.30.430.8 0.33.4 0.40.44 0.8325.60.980.06 0.696.2 5.22.6 5.48.866.623.821.01 8.23(4.330.35) 4.498.634.7 9.40.940.11 8.4299 7.80.262.2 6.70.726.70.28 0.50.970.2 9.20.920.4 2804.55.5 x1259 b3.19 8x112 97x19
4、3 x521 x855 9x18171 2x230 3x957 82x12 7x791 9x3699 30克()千克( )千克 11米3分米( )米 1442克( )千克 一只青蛙4条腿,x只青蛙_条腿。0.880.937 7.066.28 6.165.7 4.0034.001 6.8846.997 6.1266.2 8 60.8 0.0610 0.7680.5810 0.010.08 0.0060.05 1.790 4.23 2.65 41.13 0.386.610.3 10.041.3 89.7915.1 0.0280.55.32 0.930.27 62.20.38 15.733.20.7
5、20.4 9.34.4 0.260.27 0.7350.30.480.05 7.40.99 0.744.5 3.91.229.312.432.96 8.45(3.911.48) 3.897.741.88 0.21510.06 0.658.40.8 3.40.546.6 8.8258.875 5238 6.30.53.60.3 3105.774.3 x2140 a0.410.79 6x288 49x100 x610 x269 4x1256 3x624 2x812 328x80 2x1012 6x642 43克()千克( )千克 19元2角6分( )元 24.24个位上的4表示( )个( ),百分
6、位上的4表示( )个( )。一个长方形宽是26厘米,长是n厘米,面积_平方厘米。笑笑原有45本课外书,又买来x本,现在一共有_本。0.9220.919 6.586.97 6.225.93 4.0024.004 6.0916.075 6.9566.4 0.99 20.4 0.510 10.29.28100 500.08 0.0023 0.030.07 5.23.8 6.72.9 3.33.21 0.24 65.854.4 42.132.2 79.7822.0 7.220.75.09 0.750.12 18.10.44 4.39.510.360.03 3.39.4 0.190.75 5.123.7
7、0.420.6 5.94.2 0.588 0.83688.133.348.29 7.42(4.610.6) 1.689.475.04 0.260.990.09 4.40.862 46.556 0.94310.9469 0.250.294 6.40.81.80.3 1303.796.3 x2861 b2892 7x294 67x146 x221 x249 6x18102 3x1221 6x18102 84x28 8x24120 6x3048 33克()千克( )千克 8.75元( )元( )角( )分 381克( )千克 笑笑有48元钱,买书包用去y元,还剩下_元。笑笑原有31本课外书,又买来y本,现在一共有_本。0.9490.921 6.056.75 5.655.4 4.0053.998 6.9056.286 6.1561.5 0.66 30.6 0.8100 76.539.5100 100.06 0.0017 0.80.5 4.81.7 6.72.5 32.33 0.169.610.2 41.435.4 57.7714.4 3.630.428.09 1.250.11 4.510.67 5.3985.20.620.9 50.69 4.80.41 0.37.720.950.04 1.20.14 0
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