小數(shù)四則混合運(yùn)算140題

1、五年級(jí)上小數(shù)四則運(yùn)算及簡(jiǎn)便運(yùn)算12.3×4×0.25 12.96（9.61.52）85×10.11.2÷0.251.3×4 103×0.25 （4.86.4）÷8 35÷12540.5÷0.81×1.05 34.5×0.03+34.5×0.97（203.472.2）÷（1.3×0.2）8×4.3×12.5 97.5÷0.39136.7 2.5×10286.4÷0.24×0.254.2÷2

2、8 11.16÷（100.7）(9.6+3.2)÷0.8 （30094.8）÷0.50.125×16 12.6÷3.5（9.88.7） 3.2×5.611.4 0.648÷（0.40.5）×0.65.74×995.7489×1.1×4.7 4.753.25×2.47.6 2.7×5.4×3.93.8×1.418.2÷0.73.6×9.85-5.46 4.8×0.25 8.05×3.4+7.64.7×

3、;10.2 6.58×4.5×0.9 7.63×997.632.8×0.5+1.586.732.561.443.278×5.2+3.8×3.8+3.8 2.37×2.5×4 (6.7+6.7+6.7+6.7) ×2.5 1.5×102 9.8×25×4 2400÷16÷0.532×0.25×0.125 2.8×3.23.2×7.2 7.40.15×2.8 3.76×0.250.490.008+0.

4、92×51.28 0.25×4.78×4 7.8÷（1.3×4）0.65×201 7.2×0.90.01×7.2 1.2×2.50.8×2.58.6×10.1 2.5×7.1×4 5.6×(12.58.5 ÷0.85) 16.12×9916.12 (8.15.6) ×0.91 ×0.4 5.2×0.90.98.25×4.08+0.75×4.08+4.08 4.3×50×

5、;0.2 4.325.436.68 642.64×0.515.176.83.2 26×15.715.7×24 12.75(2.756.8) (2.275 0.625)×0.28 1.273.90.7316.1 3.94+34.3×0.2 12.84.95.1 1.2×(9.6÷2.4)÷4.86.75（0.93.75）8.9×1.1×4.7 1.341.83.660.22.7×5.4×3.9 0.960.280.040.72 3.6×9.85-5.46 12.78-

6、(4.97+2.78)8.05×3.4+7.6 31.70.5×0.71.65 6.58×4.5×0.9 35.72- 4.9-（5.72+5.1）2.8×0.5+1.581113.67×2.83.67×7.2 324.90.9 12.5×6.3+27×1.25+0.125÷0.014.84.8×0.5 3.1+25.78+6.9 (1.250.125)×815.25+4.72+4.75+5.28 4.8×100.1 34.82(4.82+15.2)56.5

7、5;9956.5 7.28+0.94+2.72+0.06 7.09×10.80.8×7.097.84+0.730.84 4.85 + 0.35 ÷1.4 6.3×99+6.3 8.7 ×17.4 - 8.7 ×7.4 15.74.35.7 12.5×0.4×2.5×8 1.6+0.41.6+0.4 0.87×3.16+4.64 62.8÷2.5÷0.49.5×101 7.3×99 0.68 ÷（5.2 -3.5）×1.25 (1.25+

8、2.5) ×8 40.5 ÷0.81 ×0.18 9.42×1094.2×0.94.8 ×（15 ÷2.4）1.8×2.48+1.52×1.8-0.5 213.×0.×82578.76+0.4×3.6×2.5+1.246.81+6.81×99 6.5×(10-3.7)+2.980.25×185×40 4.75+8.4÷(9.2-6.8)×404.4×0.83.4×0.819.8-0.6&

9、#215;0.6-0.64(9.37+937+937+937)×25 0.125×7.9×1642.×1.1.×1.752.48×(7.3-5.8)+1.5×7.522.37×6.3+2.37×3.7 12.773-4.5×(0.75-0.356)+9.232.5×1.25×0.32 (6.4+0.88)÷0.8+3.2×1.253.8×10.124-5.4+(0.63+1.29÷0.23)2.5×(3.8×0.04) 2.18+4.65+7.82+5.35+12.5 7.69×101 15.84-2.17-3.833.8×10.1(25+2.5+0.25)