问题
解答题
计算. (1)
(2)
|
答案
(1)
-48
÷2+(3-54
)(1+3
);1 3
=4
-33
÷2+6
(3-1 3
)(3+3
)3
=4
-3
+2;3 6 2
(2)
÷1 2 3
×2 1 3 1 2 5
=
•5 3
•3 7 7 5
=1.
计算. (1)
(2)
|
(1)
-48
÷2+(3-54
)(1+3
);1 3
=4
-33
÷2+6
(3-1 3
)(3+3
)3
=4
-3
+2;3 6 2
(2)
÷1 2 3
×2 1 3 1 2 5
=
•5 3
•3 7 7 5
=1.