小数简便运算练习题
5.93 +0.19+2.81 3.07-0.38-1.62 7.3+2.7-7.3+2.7 1.27+3.9+0.73+1
6.1 48.4+2.78+51.6-0.78
23.4-0.8-13.4-7.2 139.46 —( 58.74+ 19.46 )
4.8+8.63+
5.2+0.37 2.35+1.713+0.287+7.65
7.5+4.9-6.5 36.54-1.76-4.54
3.25+1.79-0.59+1.75 12.7-(3.7+0.84)
25.6-(0.23+5.6)-1.77 0.456+6.22+3.78
15.89+(6.75-5.89) 4.02+5.4+0.98
7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2
3.82+2.9+0.18+9.1 9.6+
4.8-3.6
7.14-0.53-2.47 5.27+2.86-0.66+1.63
13.35-4.68+2.65 73.8-1.64-13.8-5.36
47.8-7.45+8.8 0.398+0.36+3.64
15.75+3.59-0.59+14.25 66.86-8.66-1.34
36.8-3.9-6.1 32+4.9-0.9 25.48-(9.4-0.52)
15.02 - 6.8 -1.02 9.43 -(6.28 -1.57)
4.8+8.63+
5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24
2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+
3.6+1.98
0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5
3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55
3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2
3.2+0.36+
4.8+1.64 1.23+3.4-0.23+6.6
12.7-(3.7+0.84)36.54-1.76-4.54
4.8+8.63+
5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24
2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+
3.6+1.98
0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5+4.9-6.5
3.07-0.38-1.62 1.29+3.7+2.71+6.3 8-2.45-1.55
0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4
4.36×12.5×8 0.25×16.2×4 1.25×2.5×32
3.2×0.25×12.5 0.25×36 (1.25-0.125)×8
4.8×10.1 3.6×102
0.39×199 0.32×403 3.65×10.1 0.85×9.9
3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1
4.8×7.8+78×0.52 56.5×99+56.5
7.09×10.8-0.8×7.09
1.87×9.9+0.187 4.2×99+4.2 3.8×4.56+3.83×5.44 9.7×99+9.7 27.5×3.7-7.5×3.7 3.14×0.68+31.4×0.032 7.2×0.2+
2.4×1.4 7.74×(2.8-1.3)+1.5×2.26
3.9×2.7+3.9×7.3
12.7×9.9+1.27 5.4×11-5.4 2.3×16+2.3×23+2.3
3.65×
4.7 -36.5×0.37 46×57+23×86
101×0.87-0.91×87
10.7×16.1-15.1×10.7 7.6×0.8+0.2×7.6 1.28×8.6+0.72×8.6 10.6×0.35-9.6×0.35 8.9×1.01 0.65×101
2.22×9.9+6.66×6.7