简便计算题:
1)6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89)
2)4.02+5.4+0.98 5.17-1.8-3.2 13.75-(3.75—6.48)
3)3.68+7.56-2.68
4)3.82+2.9+0.18+9.1
5)5.27+2.86-0.66+1.63
6)47.8-7.45+8.8
7)66.86-8.66-1.34
8)3.6×102
7.85+2.34-0.85+4.66 9.6+4.8-3.6 13.35-4.68+2.65 0.398+0.36+3.64 0.25×16.2×4 3.72×3.5+6.28×3.5 35.6-1.8-15.6-7.2
7.14-0.53-2.47
73.8-1.64-13.8-5.36
15.75+3.59-0.59+14.25
(1.25-0.125)×8
36.8-3.9-6.1
9)28.6×101-28.6 4.8×7.8+78×0.52 32+4.9-0.9
10)4.8×100.1 56.5×9.9+56.5 7.09×10.8-0.8×7.09
11)25.48-(9.4-0.52)
12)18.76×9.9+18.76
13)5.6÷3.5
14)17.8÷(1.78×4)
15)15.2÷0.25÷4
16)3.83×4.56+3.83×5.44
17)27.5×3.7-7.5×3.7 4.2÷3.5 3.52÷2.5÷0.4 9.6÷0.8÷0.4 0.49÷1.4 0.89×100.1 4.36×12.5×8 8.54÷2.5÷0.4 320÷1.25÷8
3.9-4.1+6.1-5.9
4.2×99+4.2
1.25×2.5×32 146.5-(23+46.5)
9.7×99+9.7
0.65×101
18)(45.9-32.7)÷8÷0.125 3.14×0.68+31.4×0.032 5.6÷1.25÷0.8÷2.5÷0.4
19)7.2×0.2+2.4×1.4 8.9×1.01 7.74×(2.8-1.3)+1.5×2.26
20)3.9×2.7+3.9×7.3 18-1.8÷0.125÷0.8 12.7×9.9+1.27
21)21×(9.3-3.7)-5.6 15.02-6.8-1.02 5.4×11-5.4
22)2.3×16+2.3×23+2.3
23)46×57+23×86
24)101×0.87-0.91×87
25)4.8+8.63+5.2+0.37
26)2.35+1.713+0.287+7.65
27)0.134+2.66+0.866
28)3.07-0.38-1.62
29)3.25+1.79-0.59+1.75
30)3.2+0.36+4.8+1.64
31)12.7-(3.7+0.84)
32)7.6×0.8+0.2×7.6
33)1.28×8.6+0.72×8.6
34)0.8×(4.3×1.25) 9.43-(6.28-1.57) 13.7×0.25-3.7÷4 10.7×16.1-15.1×10.7 5.93+0.19+2.81 1.57+0.245+7.43 1.27+3.9+0.73+16.1 1.29+3.7+2.71+6.3 23.4-0.8-13.4-7.2 1.23+3.4-0.23+6.6 36.54-1.76-4.54 0.85×199 12.5×0.96×0.8 3.12 +3.12×
99 3.65×4.7-36.5×0.37 2.22×9.9+6.66×6.7 0.79×199 1.76+0.195+3.24 6.02+3.6+1.98 7.5+4.9-6.5 8-2.45-1.55 0.32×403 0.25×36 0.25×0.73×4 0.25×8.5×4 10.4-9.6×0.35