题目内容

计算:
(1)2-5=______;
(2)2×(-3)=______;
(3)(-2)÷(-
1
3
)=______;
(4)-22×|
1
4
|=______;
(5)2ab-3ab=______;
(6)23°35′+56°40′=______°______′.
(1)2-5=-3;
(2)2×(-3)=-6;
(3)(-2)÷(-
1
3
)=(-2)×(-3)=6;
(4)-22×|
1
4
|=-4×
1
4
=-1;
(5)2ab-3ab=-ab;
(6)23°35′+56°40′=80°15′;
故答案为:-3,-6,6,-1,-ab,80,15.
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