爱你十天
幼苗
共回答了14个问题采纳率:85.7% 举报
(1)4.5÷
1
4 +96×4.5
=(4+96)×4.5
=100×4.5
=4500;
(2)13-
8
9 ×
3
8 ÷
1
24
=13-
1
3 ÷
1
24
=13-8
=5;
(3)
3
8 ×(
2
5 +
2
15 )÷
3
4
=
3
8 ×
8
15 ÷
3
4
=
1
5 ÷
3
4
=
4
15 ;
(4)
5
7 ÷[(
5
6 -
4
5 )×10]
=
5
7 ÷[
1
30 ×10]
=
5
7 ÷
1
3
=2
1
7 ;
(5)
17
24 ×
3
4 +
17
24 ÷4
=
17
24 ×(
3
4 +
1
4 )
=
17
24 ×1
=
17
24 ;
(6)(
3
4 +
1
2 -
7
12 )×24
=
3
4 ×24+
1
2 ×24-
7
12 ×24
=18+12-14
=16.
1年前
2