《有理数混合运算》测试题(1) (新版)新人教版
计算: (1) ?1 (3) 21?(?6)?(1?2) (4) ?50?2?(?1)
12?23?56?134 (2) (13?12)?114?110
472
(5) -6÷(-3×2)
(7) 32
-50÷(-2)2
×(+0.1)-1
(9) –13-[1-(1-0.5×43)] (10) (-8
计算:
1. –55+7+99-87
3. (-5) ×(-2)2 4. -3
5. -32
÷2÷2 6. 20-5
5 (6) 17-8÷(-2)+4×(-3) (8) ?113?(0.5?23)?119
÷23)-(-8÷2)3
2. ?1?(?1)?(?1322)?(?116)
2×(-3)2
÷(-15)
1
7. (?3)?(?0.3)?(?0.1) 8. (-1) ×5+(-1) ×5 - 1×5+(-1×5)
622222
7
9. (-2)2
-(-52
) ×(-1)5
-87÷(-3) ×(-1)4
10.
11. (-1)8- (1
3+2
1-3
3)×(-24) 12.
834 –14
-(1-0.5) ×1×[2-(-3)2
]
3(?3)22?(?34)?(2233)?(?4) 2