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七年级有理数口算练习

七年级有理数口算练习 完成时间:_______ 分钟 得分:_______ 一、有理数口算题(共20小题,每小题5分,共100分) 请直接写出下列各题的得数: 1. − 3 + 5 = -3 + 5 = − 3 + 5 = ______ 2. ( − 7 ) + ( − 2 ) = (-7) + (-2) = ( − 7 ) + ( − 2 ) = ____

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七年级有理数口算练习

完成时间:_______ 分钟 得分:_______

一、有理数口算题(共20小题,每小题5分,共100分)

请直接写出下列各题的得数:

1. 3+5=-3 + 5 = ______

2. (7)+(2)=(-7) + (-2) = ______

3. 69=6 - 9 = ______

4. (4)×6=(-4) \times 6 = ______

5. (12)÷(3)=(-12) \div (-3) = ______

6. 5+3=|-5| + 3 = ______

7. (2)3=(-2)^3 = ______

8. 12+(12)=\frac{1}{2} + \left(-\frac{1}{2}\right) = ______

9. 8+3=-8 + 3 = ______

10. (5)×(4)=(-5) \times (-4) = ______

11. 0(7)=0 - (-7) = ______

12. (34)×43=\left(-\frac{3}{4}\right) \times \frac{4}{3} = ______

13. (9)÷3=(-9) \div 3 = ______

14. (1)10=(-1)^{10} = ______

15. 83=|-8| - |3| = ______

16. 5+(5)=5 + (-5) = ______

17. (6)(6)=(-6) - (-6) = ______

18. (2)×3×(1)=(-2) \times 3 \times (-1) = ______

19. (16)÷(4)=(-16) \div (-4) = ______

20. 23+13=-\frac{2}{3} + \frac{1}{3} = ______