问题
解答题
计算: (1)-7-3=______; (2)5.8-(-3.6)=______; (3)
|
答案
(1)-7-3=-(7+3)=-10;
(2)5.8-(-3.6)=5.8+3.6=9.4;
(3)
-1 2
=-(2 3
-2 3
)=-1 2
.1 6
故答案为:-10;9.4;-
.1 6
计算: (1)-7-3=______; (2)5.8-(-3.6)=______; (3)
|
(1)-7-3=-(7+3)=-10;
(2)5.8-(-3.6)=5.8+3.6=9.4;
(3)
-1 2
=-(2 3
-2 3
)=-1 2
.1 6
故答案为:-10;9.4;-
.1 6