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1、精選優(yōu)質(zhì)文檔-傾情為你奉上400÷4+20×5 10+12÷3+20 70+(100-10×5) 0.25×3.2×4 37.816.413.61.80.21.80.293÷0.31÷32.5×7.5+2.5×2.563×10.16×3.9×1.2535.72÷0.047÷0.320.138×6.4÷0.121÷0.25×（1.28÷3.2）4.87×2.34+48.7×0.2

2、664.4×25 6.25÷0.25×0.6 68.04÷（0.21×3.6） 0.4860.01÷3.9919.756.453.55 2.02×（1.027÷0.26） 2.5×1.25×0.32 2.37×6.3+2.37×3.70.65×1010.65(80÷20+80)÷4 2.64÷5÷0.23.8×10.1 81.25×0.6×9.3 15×3.6+4.83 98.

3、42×2.5-83.7 700×0.34×2.91.25×11×4×0.8 90÷25÷4 36÷（97.28÷0.32）(3.2+0.8) ÷0.8 3.25-0.84-1.16 （6.85.4）×2.750.90.25×27×445×3664×451.25×320×250.96×259.9×9999.91.08×1258×25×1.25×16 489&#

4、215;10148933×1.0328×4530×135.6×9560.98×548×25×125×16 45.55-（6.821555）3.2×99324.8×3961×4.834.5217.8712.232.5×56+4.5×65489×1014894.57+3.17+3.43+5.83 （8540）×（205）2.5×1.25×0.320.25×39+0.25 0.125×7246×0.33

5、+54×0.33 9.5×99 (8×5.27) ×1.25 6.81+6.81×99 2.5×(3.8×0.04) 7.69×101 （31.8+3.2×4）÷531.5×4÷(6+3)0.64×25×7.8+2.219464.8÷1.8×0.910.15-10.75×0.4-5.73.8×10.10.25×185×404.4×0.83.4×0.86-1.6÷4 3

6、.2×（1.5+2.5）÷1.66.5×（4.8-1.2×4）5.38+7.85-5.37 56-1.19×3-0.430.82×40×2.3.8×3.95.1×3.83.80.67×99 (0.88)×0.1251.25×5×0.165.4×102 0.235×0.15×16 4.05×4600×7.4 1.46×6.35×0.7 1.48×0.5×30.8 0.52

7、5;0.4×0.05 9.24×3.5×102 0.92×2.40.42×2.46.073.20.8 2.37×6.3+2.37×3.72.881÷0.430.24×3.5 9.5×1018.7 × 17.4 - 8.7 × 7.44.8 ×（15 ÷ 2.4）3.7 ×9.5 ×1.6(2.441.8)÷0.40.15 12.5×0.4×2.5×81.24×8.38.3×1.

8、7640.5 ÷ 0.81 × 0.182.5×56+4.5×65（3.2×1.5+2.5）÷1.62.731.5×4 (6.8-6.8×0.55)÷8.50.12× 4.8÷0.12×4.8 0.25×13.7×0.40.89×4.8+0.89×0.52 38.5 -10.5 ×0.8 7.29 ×4.6 + 46 ×1.271 12.13 + 7.15-1.13 + 2.854.2×101 3

9、.6×99 2.5×32×1.25 0.125×88 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 31.5×4÷(6+3) 0.8×15.5-(3.21+5.79)（31.8+3.2×4）÷5 0.64×25×7.8+2.2 2÷2.5+2.5÷2 5180705×619464.8÷1.8×0.9 36.72÷4.25

10、15;9.9 99×4.3 132-43.7-56.3 2.31×1.2×0.5 12.78-(4.97+2.78) 63.4÷2.5÷0.4 0.8+0.88+0.22 2.95×101-2.95 (1.25+0.25)×4 4.6×0.35+4.6×0.65 23.4-0.8-13.4-7.263×10.1-63×0.1 4.2×99+4.2 35÷（0.35×2）3.14×1.9+31.4×0.813.2×101 7.3

11、×10.2-1.46 0.92×1.01 4.9+0.8-4.9+0.8 12.96-（9.6-1.52）3.6 ×3.6+1.4 ×3.60.25×0.8×0.125×0.4 2.7×1.5-2.7 0.4×12.5×(4.2-1.7) 21.5÷（6.07+2.53）×0.5 56.5×99+56.5 (1.25-0.125)×8 45÷0.09÷0.5 17.8÷(1.78×4) 1.25 ×2.5

12、×0.4 ×8 578405÷45×1630.8÷14-(9.851.07) 60(9.528.9)÷0.18 6.81+6.81×99 0.68×2.5+0.32×1.9 2÷2.5+2.5÷25.8×（3.87-0.13） （6+9.728÷3.2）×2.50.8×15.5-(3.21+5.79)7.699×7.616.5×3.76.5×3.7 2524.5÷(3.21.7)18.09-7.5×

13、;（0.141.06）0.580.65×0.4 0.91÷0.70.168÷0.80.11×1.88.2×0.11 0.8×(3.22.99÷2.3)5.4÷(3.940.86)×0.8 (8.15.4)÷3.685.717.64÷4.9+6.733.4÷（1.20.5）×51.919.9+199.90.30.25×12.5×3.2（38.6-12.75）÷2.5× 0.3 25.73×6.5+25.73×3.525×4.4 7.7×0.16÷7.7×12.510.64÷(3.72.9)4.8×994.8 47.321×(3.90.87) 5×(68.41-32.17)÷0.4 4.05÷1.5÷0.03 1.92÷0.122.74.632.55÷9.3 0.84÷(0.30.4) 0.84×1.7÷0.073.9÷1.3