题目内容

(1)3+(-2)=______;  
(2)-2-(-2)=______;
(3)-2×5=______;      
(4)-6÷(-3)=______;
(5)1-(-1)2=______; 
(6)-33×
2
9
=______;
(7)-2+(-6)÷(-
5
4
)=______;
(8)x5+x5=______.
(1)原式=3-2
=1;

(2)原式=-2+2
=0;

(3)原式=-10;

(4)原式=6÷3
=2;

(5)原式=-9×
2
9

=-2;

(6)原式=-2+6×
4
5

=-2+
24
5

=
12
5


(7)原式=2x5
故答案为1;0;-10;2;-2;
12
5
;2x5
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