脱式计算
1.2800÷ 100+789
2.(947-599)+76×64
3. 36×(913-276÷23)
4. (93+25×21)×9
5. 507÷13×63+498
6. 723-(521+504)÷25
7. 384÷12+23×371
8. (39-21)×(396÷6)
9.156×[(17.7-7.2)÷3]
10.[37.85-(7.85+6.4)] ×30
11.28×(5+969.9÷318)
12.81÷[(72-54)×9]
13.57×12-560÷35
14.848-640÷16×12
15.960÷(1500-32×45)
16.[192-(54+38)]×67
17.138×25×4
18.(13×125)×(3×8)
19.(12+24+80)×50
20.704×25 25×32×125
21.32×(25+125)
22.178×101-178
23.84×36+64×84
24.75×99+2×75
25.83×102-83×2
26.98×199
27.123×18-123×3+85×123
28.50×(34×4)×3 25×(24+16)
29.178×99+178
30.79×42+79+79×57
31.7300÷25÷4 8100÷4÷75
32.75×27+19×2 5
33.31×870+13×310
34.4×(25×65+25×28)
35.138×25×4
36.(13×125)×(3×8)
37.(12+24+80)×50
38.25×32×125
39.32×(25+125)
40.102×76 58×98
41.178×101-178
42.84×36+64×84
43.75×99+2×75
44.83×102-83×2
45 123×18-123×3+85×123
46.50×(34×4)×3 25×(24+16)
47.178×99+178
48.79×42+79+79×57
49.7300÷25÷4
50.8100÷4÷75
简便运算
1.30.8÷[14-(9.85+1.07)]
2.[60-(9.5+28.9)]÷0.18
3.2.881÷0.43-0.24×3.5
4.20×[(2.44-1.8)÷0.4+0.15]
5.28-(3.4+1.25×2.4)
6.2.55×7.1+2.45×7.1
7.777×9+1111×3
8.0.8×[15.5-(3.21+5.79)]
9.(31.8+3.2×4)÷5
10.31.5×4÷(6+3)
11.0.64×25×7.8+2.2
12 2÷2.5+2.5÷2
13.194-64.8÷1.8×0.9
14.36.72÷4.25×9.9
15.5180-705×6
16.24÷2.4-2.5×0.8
17.(4121+2389)÷7
18.671×15-974
19.0.8×[7.9-(2+5)]
20.469×12+1492
21.405×(3213-3189)
22.3.416÷(0.016×35)
23.0.8×[(10-6.76)÷1.2]
24.10x1.3
25.0.32x100
26.24+0.24
27.3.2x0.6
28.15-0.15
29.1.9x0.02
30.0.4x0.5
31.1.25x8
32.2.5x4
33.0.24x4
34.200x0.16
35.49×102-2×49
36.125×78×8
37.8.33-2.43-4.57
38.99×37
39.6.7-2.63+3.3-3.37
40.41000÷(41×5)
希望能采纳!