小数简便计算练习题400道
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3.2+0.36+
4.8+1.64 0.45+6.22+3.78 6.9+4.8+3.1 4.02+
5.4+0.98
1.29+3.7+
2.71+6.3 0.39+0.36+
3.64 73.8-1.64-13.8-5.36 5.17-1.8-3.2
7.14-0.53-2.47 35.6-1.8-15.6-7.2 66.86-8.66-1.34 36.8-3.9-6.1
7.85+2.34-0.85+4.66 13.35-4.68+2.65 9.6+4.8-3.6 5.27+2.86-0.66+1.63 3.68+7.56-2.68 47.8-7.45-8.8 3.82+2.9+0.18+9.1 1.27+3.9+0.73+16.1 1.57+0.24+7.43 2.64+8.67+7.36+11.33 0.13+2.66+0.87 1.76+0.19+3.24
23.4-0.8-13.4-7.2 15.02-6.8-1.02 8-2.45-1.55 3.25+1.79-0.59+1.75
1.23+3.4-0.23+6.6 7.5+4.9-6.5 13.75-(3.75+6.48) 15.89+(6.75-5.89) 1
2.7-(
3.7+0.84) 2.35+1.71+0.29+7.65
4.8+8.63+
5.2+0.37 5.93+0.19+2.81
3.6-1.28+3.4
4.32-(1.32+2.34) 2.5+3.25+0.75+7.5 4-1.4-1.6
3.2+9.4+6.8 1
4.3-
5.6-4.3 14.15+5.87+5.85 21.07-5.6-11.07
8.07-5.8 +0.93 28.93-7.46-5.54 6.38+5.4+4.6+3.62 8.6-2.11+2.4-3.89
12.6- 3.28+7.4- 5.72 15.047+8.92- 5.047 80-(8.24- 6.3+1.76) 4.8+2.5-1.8
27.62-(7.62+4.85) 53.8+61.3-23.8 12.68-4.69+1.32 11.74+(8.06-5.8)94.13-(28.9-1.87) 25.3+6.9+13.1 6.32-1.94+12.68 25.14-13.49-6.51
36.28-(25.7+6.28) 1-0.45-0.55 13.27-(2.46+5.27) 2.54-8.16+9.46+9.16 8.56+7.5+2.44-2.5 25.403-(5.403+12.5) 18.3+2.55+21.7+1.45 73.26-(18.9+3.26)
小数简便计算练习三
72.43-(6.8+12.43) 0.6+7.91+3.4+0.09 28.5-(2.1-0.63-0.37) 100-36.83-47.17
89.45+2.97-6.45 7.5+8.3+1.7+2.5 2.07+4.58+0.93+5.42 56.12-23.18-16.12
8.57-2.47+3.43+5.47 15.8-(5.8+7.4) 15.25-3.1+0.75-4.9 3.45+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 3
6.78-21.45-13.55
3.8+1.37+6.2+12.63 17.05-(2.05- 6.4) 3.73+5.28+
4.27+4.72 1.88+2.3+3.7
5.17-1.8-3.2 4.02-3.5+0.98 13.7+0.98+0.02+4.3 42.5-22.17-
7.83
3.8-0.46-1.54
5.02-3.5+0.98 2.88+2.3+4.7 3
6.78-21.45-13.55
5.85+1.89+2.15 24.8+14.6+15.4 5.85-1.75-0.25 27.3+73.2+72.7
小数简便计算练习四
42.5-22.17-7.83 3.8+1.37+6.2+12.63 15.28+28.99+20.72 9.42-4.98+0.58
10-0.43-2.57 14.9-(5.2+4.9) 4.37+0.28+1.63+5.72 11.26+6.49-5.26
8.42+8.46+8.54+8.58 6.9+4.8+3.1 0.45+6.22+3.78 15.89+(6.75-5.89)
3.68+7.56-2.68 7.85+2.34-0.85+
4.66 3
5.6-1.8-15.6-7.2
5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-
5.36
25.48-(9.4-0.52) 8.9-4.1+6.1-5.9 15.02-6.8-1.02
5.93+0.19+2.07
4.8+8.63+
5.2+0.37 1.76+0.19+3.24 1.27+3.9+0.73+1
6.1
7.5+4.9-6.5
0.12+2.66+0.88 2.57+0.45+7.43 5.27-1.6-3.4
5.7+0.6-5.7
8.48-(8.48+0.9) 4.32-2.5+0.68 21.32-(6.32+8.3) 3.55-1.86+2.45
小数简便计算练习五
5.6+2.7+4.4 9.14-1.43-
6.57 4.8+2.7+5.2+6.3 8.9+0.46+1.1+3.54
29.36-0.25-8.75 0.38+0.36+2.62 51.27-8.66-1.34 18.5-(8.5+7.9)
18.75+76.3+1.25+23.7 100-25.64-34.36 8.5+7.6-8.5+2.4 6.37-2.5-1.5
(2.524+1.389)-(0.524+1.389) 45.75-(15.75-3.87) 4.08-3.5+3.92 5.26+31+1.74-19
47.67-(1.67+5.26) 6.73+4.6+0.4 4.37+0.9+2.63 6.43–2.8–2.2
18.51-9.03-0.97 32+6.4十68十 3.6 15.5十26.5一20.4 10.64-5.88+2.36