小数简便计算练习题400道.docx
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小数简便计算练习题400道.docx
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小数简便计算练习题400道
小数简便计算练习一
3.2+0.36+4.8+1.640.45+6.22+3.786.9+4.8+3.14.02+5.4+0.98
1.29+3.7+2.71+6.30.39+0.36+3.6473.8-1.64-13.8-5.365.17-1.8-3.2
7.14-0.53-2.4735.6-1.8-15.6-7.266.86-8.66-1.3436.8-3.9-6.1
7.85+2.34-0.85+4.6613.35-4.68+2.659.6+4.8-3.65.27+2.86-0.66+1.63
3.68+7.56-2.6847.8-7.45-8.83.82+2.9+0.18+9.11.27+3.9+0.73+16.1
1.57+0.24+7.432.64+8.67+7.36+11.330.13+2.66+0.871.76+0.19+3.24
23.4-0.8-13.4-7.215.02-6.8-1.028-2.45-1.553.25+1.79-0.59+1.75
1.23+3.4-0.23+6.67.5+4.9-6.513.75-(3.75+6.48)15.89+(6.75-5.89)
12.7-(3.7+0.84)2.35+1.71+0.29+7.654.8+8.63+5.2+0.375.93+0.19+2.81
小数简便计算练习二
3.6-1.28+3.44.32-(1.32+2.34)2.5+3.25+0.75+7.54
-1.4-1.6
3.2+9.4+6.814.3-5.6-4.314.15+5.87+5.8521.07-5.6-11.07
8.07-5.8+0.9328.93 -7.46-5.546.38+5.4+4.6+3.628.6 -2.11+2.4-
3.89
12.6 - 3.28 + 7.4 - 5.7215.047 + 8.92 - 5.04780 - (8.24 - 6.3 +
1.76)4.8+2.5-1.8
27.62-(7.62+4.85)53.8+61.3-23.812.68-4.69+1.3211.74+(8.06-5.8)
94.13-(28.9-1.87)25.3+6.9+13.16.32-1.94+12.6825.14-13.49-6.51
36.28-(25.7+6.28)1-0.45-0.5513.27-(2.46+5.27)2.54-8.16+9.46+9.16
8.56+7.5+2.44-2.525.403-(5.403+12.5)18.3+2.55+21.7+1.4573.26-(18.9+3.26)
12.92+2.8+6.08+7.227.3+73.2+72.72.54-0.7-0.5472.81-8.6+5.19
小数简便计算练习三
72.43-(6.8+12.43)0.6+7.91+3.4+0.0928.5-(2.1-0.63-0.37)100-36.83-47.17
89.45+2.97-6.457.5+8.3+1.7+2.52.07+4.58+0.93+5.4256.12-23.18-16.12
8.57-2.47+3.43+5.4715.8-(5.8+7.4)15.25-3.1+0.75-4.93.45+8.7+16.55+0.3
8.43+2.97+0.57+0.03
5.02-3.5+0.98
2.88+2.3+4.7
36.78-21.45-13.55
3.8+1.37+6.2+12.63
1.88+2.3+3.7
17.05 - (2.05 - 6.4) 3.73+5.28+4.27+4.72
5.17-1.8-3.2
7.83
4.02-3.5+0.98 13.7+0.98+0.02+4.3 42.5 -22.17 -
3.8-0.46-1.54
5.02-3.5+0.98
2.88+2.3+4.7
36.78-21.45-13.55
74+2.7+2.3+26
25.4-15.3+7.7
14.7+1.98+0.02+5.3 15.4+2.7-14.4
5.85+1.89+2.1524.8+14.6+15.45.85-1.75-0.25
27.3+73.2+72.7
小数简便计算练习四
42.5-22.17-7.833.8+1.37+6.2+12.6315.28+28.99+20.729.42-4.98+0.58
10-0.43-2.5714.9-(5.2+4.9)4.37+0.28+1.63+5.7211.26+6.49-5.26
8.42+8.46+8.54+8.586.9+4.8+3.10.45+6.22+3.7815.89+(6.75-
5.89)
3.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.2
5.27+2.86-0.66+1.6313.35-4.68+2.6573.8-1.64-13.8-
5.36
25.48-(9.4-0.52)8.9-4.1+6.1-5.915.02-6.8-1.02
5.93+0.19+2.07
4.8+8.63+5.2+0.371.76+0.19+3.241.27+3.9+0.73+16.17.5
+4.9-6.5
0.12+2.66+0.882.57+0.45+7.435.27-1.6-3.4
5.7+0.6-5.7
8.48-(8.48+0.9)4.32-2.5+0.6821.32-(6.32+8.3)3.55-1.86+2.45
小数简便计算练习五
5.6+2.7+4.49.14-1.43-6.574.8+2.7+5.2+6.38.9+0.46+1.1+3.54
29.36-0.25-8.750.38+0.36+2.6251.27-8.66-1.3418.5-(8.5+7.9)
18.75+76.3+1.25+23.7100-25.64-34.368.5+7.6-8.5+2.46.37-2.5-1.5
(2.524+1.389)-(0.524+1.389)45.75-(15.75-3.87)4.08-3.5+3.925.26+31+1.74-19
47.67-(1.67+5.26)6.73+4.6+0.44.37+0.9+2.636.43–2.8–2.2
18.51 - 9.03 - 0.9732 + 6.4十68十3.615.5十26.5一20.4
10.64-5.88+2.36
10.27 十 0.4-8.2724.6 一 3.98 十 5.4-6.0264.3 一 18.75 十 15.7
一 11.25
6.73 + 4.6 + 0.44.37 + 0.9 + 2.636.43 – 2.8 –
2.218.5-(8.5+7.9)
18.75+76.3+1.25+23.78.5+7.6-8.5+2.43.9+0.1-3.9+0.13.8+1.37+6.2+12.63
小数简便计算练习六
5.04-2.5+0.9622.8-5.23-9.7723.66+4.34-3.665.6-0.81-1.19
15.9+3.26+4.167.2+41.5-71.3910.75+0.4-9.7516.23+8.92-7.23
50-28.5-13.513.79-9.6+10.211.5+0.68-1.572.8-8.6+5.2
20.8-(15.8-3.9)32.5+(5.5+6.13)3.52-(4.66-3.52)0.9+1.08+0.92+0.1
5.26+3.43+0.745.6+2.7+4.420.15+7.62+7.8551.27-8.66-1.34
48.14-2.43-7.5718.76-3.47-0.535.17-1.8-3.270.8-1.25-1.75
4.02-3.5+0.984.25-0.83+0.7523.04-0.8-13.4-6.215.13+4.92-5.13
3.98-1.5+6.024.8+1.2-4.8-1.230.99-(8.5+15.99)72.6-(22.6+3.45)
36.06-(5+6.06)5.85+1.89+2.1524.8+14.6+15.45.85
-1.75-0.25
小数简便计算练习七
0.66+7.85+0.15
8.025+3.1+12.175+0.9
4.13-0.6-1.4
4.13-(4.13+1.4)
8.07-3.27-0.73-1.076.45-(1.68+2.45)9.15+4.8-9.15-4.8
5.23+10.9-5.23+10.1
2.23-(1.23+0.86)
6.72-3.28-1.72 0.45+6.37+4.55
27.3+73.2+72.7
3.9-4.1+6.1-5.914-7.32-2.6825.48-(9.4-0.52)9.43-(6.28-1.57)
23.65-(3.07+3.65)
15.6+2.7-14.6 14.7+1.98+0.02+5.3 74+2.7+2.3+26
146.5-(23+46.5)36.54-1.76-4.543.07-0.38-1.6232+4.9-0.9
5.38+7.85-5.3824.8+14.6+15.45.85-1.75-
0.255.85+1.89+2.15
67.34+21.56+2.66+8.440.74+19.18+9.26+0.826.02+3.6+1.9815.75+3.59-0.59+14.25
5.6-4.34+7.34
-1.28+3.4
85.7-(15.3-4.3) 9.5+8.13-6.13 25.4-(15.4+7.7) 3.6
小数简便计算练习八
5.8+12.37+4.2+2.633.75-8.64-3.3617.83-9.5-7.83-0.532+4.9-0.9
3.45+8.7+16.55+1.327.38-5.34+2.62-4.666.2+5.18+2.815-6.49+8.49
15.35-(5.35+7.2)
3.63-1.25+17.37-8.75 40.02-13.5+0.98 8.5+7.6-8.5+2.4
(2.6+1.3)-(0.6+1.3)23.75-8.54-3.4666.86-8.66-1.341.25+16.2-0.25
5.54+3.7+4.46+10.317.83-9.5-7.83-0.573.8-1.64-13.8-5.363.72+3.5+6.28
13.75-(3.75+6.48)7.85+2.34-0.85+4.663.82+2.9+0.18+9.10.39+0.36+3.64
5.17-1.8-3.27.14-0.53-2.476.9+4.8+3.10.45+6.22+3.78
15.89+(6.75-5.89)4.02+5.4+0.983.68+7.56-2.683.82+2.9+0.18+9.1
5.17-1.8-3.25.27+2.86-0.86+1.7313.85+2.34-0.85+4.663.9-0.53-2.47
小数简便计算练习九
4.02-3.5+0.985.17-1.8-3.213.7+0.98+0.02+4.30.38+0.36+2.64
5.26+3.43+0.741.29+3.7+0.71+6.33.9+4.08+3.92+1.15.6+2.7+4.4
9.13+4.85-6.1310.75+0.4-9.759.14-1.43-4.5775+2.7+2.3+25
51.27-8.66-1.343.6+8.59+6.425.8+7.5+2.57.3+2.5+5.7+17.5
9.6+6.7-9.6+3.32.11+0.25+0.89+0.758.15+1.99+3.01+0.853.17-2.9+1.83
11.08+9.05+0.95+0.025.4+1.8-3.4-0.86.18+0.87+0.13+3.8226.2-4.46-3.54
35.6+4.8-3.673.8-3.9-6.115.02-6.8-1.0236.8-1.64-13.8-5.36
66.86-8.66-1.3432-4.1+6.1-5.937.6-1.8-15.6-7.25+4.9-0.9
25.4-(9.4-0.52)7.14-4.68+2.8613.75-(3.75+6.48)9.42-(1.2+6.42)
小数简便计算练习十
37.8-(7.8-2.9)6.27-5.08+1.7310.33-(3.75+5.33)9.42-(1.2+6.472)
3.7-1.56+4.3-2.449.66-4.25+0.344.36+14.8+5.64+5.238.2-7.09-20.6-2.31
1.2+2.5+1.80.5+1.5+1.5+0.55.26+3.77+1.740.25+0.15+0.75+0.85
27.85-(7.85+3.4)6.9+4.8+3.10.456+6.22+3.7815.89+(6.75-5.89)
4.02+5.4+0.985.17-1.8-3.213.75-(3.75+6.48)3.68+7.56-2.68
7.85+2.34-0.85+4.6635.6-1.8-15.6-7.23.82+2.9+0.18+9.19.6+4.8-3.6
7.14-0.53-2.475.27+2.86-0.66+1.6313.35-4.68+2.6573.8-1.64-13.8-5.36
66.86-8.66-1.3436.8-3.9-6.132+4.9-0.925.48-(9.4-0.52)
6.9-4.1+6.1-5.915.02-6.8-1.029.79-(4.94+3.79)21.88+3.28+0.12+0.72
小数简便计算练习十一
32+4.9-0.9146.5-(23+46.5)9.43-(6.28-1.57)4.8+8.63+5.2+0.37
5.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.43
6.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5+4.9-6.5
3.07-0.38-1.621.29+3.7+2.71+6.38-2.45-1.553.25+1.79-0.59+1.75
23.4-0.8-13.4-7.23.2+0.36+4.8+1.645.78+0.84+0.161.27+3.9+16.1
0.19+4.93+2.813.82+2.9+0.18+9.19.6+4.8-3.65.27+2.86-0.66+1.63
13.35-4.68+2.655.52-0.55-0.453.1+(25.78+6.9)34.79-(15.1+4.79)
12.7-4.8-5.27.14-0.53-2.472.4+4.85-1.410―2.57―6.43
9.4+0.3-6.419.2-5.45-2.5515.75+3.59-0.5934.82-(4.82+15.2)
小数简便计算练习十二
5.85+1.89+2.1514.15+2.9+1.859.02+5.4+0.980.456+6.22+3.78
10.9-3.74-0.914.3-8.66-1.3415.86-1.64-4.86-5.3642.5+14.6+15.4
9.3+2.05+6.7+0.956.9+(6.75-5.9)4.3+1.4+25.7+8.666.86-0.72+4.14
73.8-22.17-7.8324.8+14.5+5.511.9+4.8+3.16.28-(4.41-3.72)
27.3+73.2+72.7
(3.28+6.54)
42.5-22.17-7.83 3.8+1.37+6.2+12.63 11.28-
5.85-1.75-0.257.68-2.74-
1.269.05+2.77+2.8524.8+14.6+15.4
4.78-1.28+1.22-0.7246.4-14.5+4.6+34.55.37-(5.43-6.63)94.7+(37.2-44.7)
45.55-(6.82+15.55)34.52-17.87-12.234.57+3.35+3.43+2.6523.75-8.64-3.36
3.45+8.7+16.55+1.33.6-2.19+3.1921.63-(8.5+9.63)4.34-(1.26+2.34)
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