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人教版小学六年级数学练习题

1. 0.75 + 1 2 × 40 % − 0.1 0.75 + \frac{1}{2} \times 40\% - 0.1 0.75 + 2 1 × 40% − 0.1 答：________________________________________ 2. 3 4 ÷ 0.5 − 25 % + 1.2 \frac{3}{4} \div 0.5 - 2

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1. 0.75+12×40%−0.10.75 + \frac{1}{2} \times 40\% - 0.1

答：________________________________________

2. 34÷0.5−25%+1.2\frac{3}{4} \div 0.5 - 25\% + 1.2

答：________________________________________

3. 60%×(2.5−14)+0.860\% \times (2.5 - \frac{1}{4}) + 0.8

答：________________________________________

4. 1.6÷45+15%−0.251.6 \div \frac{4}{5} + 15\% - 0.25

答：________________________________________

5. (23+0.25)×80%−0.1(\frac{2}{3} + 0.25) \times 80\% - 0.1

答：________________________________________

6. 0.9−50%×15+1.2÷30.9 - 50\% \times \frac{1}{5} + 1.2 \div 3

答：________________________________________

7. 58×1.6+30%−0.45\frac{5}{8} \times 1.6 + 30\% - 0.45

答：________________________________________

8. (0.4+75%)÷12−1.5(0.4 + 75\%) \div \frac{1}{2} - 1.5

答：________________________________________

9. 2.1×13−10%+0.8÷42.1 \times \frac{1}{3} - 10\% + 0.8 \div 4

答：________________________________________

10. 710−0.25+60%×56\frac{7}{10} - 0.25 + 60\% \times \frac{5}{6}

答：________________________________________

二、解方程（共10题）

求解下列方程中的 xx：

1. x+0.6=1.8x + 0.6 = 1.8



2. 23x=12\frac{2}{3}x = 12



3. x−25%=0.75x - 25\% = 0.75



4. 1.5x=4.51.5x = 4.5



5. x÷14=3.2x \div \frac{1}{4} = 3.2



6. 0.8x+0.2=10.8x + 0.2 = 1



7. 35x−110=0.5\frac{3}{5}x - \frac{1}{10} = 0.5



8. x−40%x=1.8x - 40\%x = 1.8



9. 1.2x+0.3x=61.2x + 0.3x = 6



10. x0.5=34\frac{x}{0.5} = \frac{3}{4}