文档介绍：初一数学计算题
一、计算下列各计
2?23×(?3)?8+9?(?3);1, ;2,
1123?5×?(?)×5(?4)+2×(?3)(3) (4)55
112?3?(?2)×(?);5, ;6,?12?4?23×26
2 114初一数学计算题
一、计算下列各计
2?23×(?3)?8+9?(?3);1, ;2,
1123?5×?(?)×5(?4)+2×(?3)(3) (4)55
112?3?(?2)×(?);5, ;6,?12?4?23×26
2 1142 3?×2??3+12;7, ;8, ??×? 2293
21?(?1)+0?4?(?4)×(?1)18?32?8?(?4)×5;9, ;10,
11161 11133371×?×??+×12+×(?11);11, ;12, 67319214364
;13,1+1/2+1/6+1/12+1/20+???+1/110;14,101-3+5-7+9-11+???+97-99二、合同计计并
222222 ;1, ;2,4ab?3ab?3ba+5ab2x?7?x+6?3x?4x
47134x?3y?5x+6y?m+n?p+m?p?n ;3, ;4,322
52323223xy?7xy+xy+2?5xy;5, ;6,3x?4x+7?3x+2x+12三、计算计,
(1) (2)
(3)
(4)
四、解方程,
;1,
;2,
;3,
;,47(2x-1)-3(4x-1)=4(3x+2)-1 ;, 5(5y+1)+ (1-y)= (9y+1)+ (1-3y);,620%+(1-20%)(320-x)=320×40%
•1. 3/7 × 49/9 - 4/3
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2. 8/9 × 15/36 + 1/27
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3. 12× 5/6 2/9 ×3 –
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4. 8× 5/4 + 1/4
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5. 6? 3/8 3/8 ?6 –
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6. 4/7 × 5/9 + 3/7 × 5/9 •
7. 5/2 -; 3/2 + 4/5 , •
8. 7/8 + ; 1/8 + 1/9 , •
9. 9 × 5/6 + 5/6
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10. 3/4 × 8/9 - 1/3 •
11. 7 × 5/49 + 3/14 •
12. 6 ×; 1/2 + 2/3 , •
13. 8 × 4/5 + 8 × 11/5 •
14. 31 × 5/6 5/6 –
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15. 9/7 - ; 2/7 10/21 –,
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16. 5/9 × 18 14 × 2/7 –
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17. 4/5 × 25/16 + 2/3 × 3/4
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18. 14 × 8/7 5/6 × 12/15 –
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19. 17/32 3/4 × 9/24 –
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20. 3 × 2/9 + 1/3 •
21. 5/7 × 3/25 + 3/7 •
22. 3/14 ×× 2/3 + 1/6 •23. 1/5 × 2/3 + 5/6 •24. 9/22 + 1/11 ? 1/2 •
25. 5/3 × 11/5 + 4/3 •
26. 45 × 2/3 + 1