一、计算题 1
)2()21( 2
)511(321 3
5 )×(-5 ) 4
41)54(6)5( 5
)41()59(65)3( 6
)8()2 014()2 5
1( 7
)1 2()43( 8
431)72( 9
6 )×(-1 )×0 10
2 5 ×(-1 1 )×(-4 ) 1 1
(-9 )× 32 1 2
(- 74)×5 6 1 3
( -1 32) × ( - 0
2 6 ) 1 4
(-2 )×3 1 ×(-0
5 ) 1 5
(-4 )×(-1 0 )×0
5 ×(-3 ) 1 6
(-83)× 34× (-1
8 ) 1 7
2 5 )×(-74)×4 ×(-7 ) 1 8
(-73)×(-54 )×(-1 27 ) 1 9
(-8 )×4 ×(-21 )×(-0
7 5 ) 2 0
4 ×(-9 6 )×(-0
2 5 )× 4 81 21
8 6 8 ×(-5 )+6
8 6 8 ×(-1 2 )+6
8 6 8×1 8 22
31 ×(-5)+ 31 ×(-13) 23
)5 6()1 4381174( 24
)3 6()65( 25
412)92( 26
6 )×(-1 1 1 )×0 27
12 5 ×(-3 6 )×(-8 ) 2 8
(-9 )× 32 2 9
(- 1 32)×(-0
2 6 ) 3 0
(-2 )×3 1 ×(-0
5 ) 3 1
(-4 )×(-1 0 )×0
5 ×(-3 ) 3 2
( - 83) × 34× ( - 1
8 ) 3 3
2 5 )×(- 74)×4 ×(-7 ) 3 4