Melody840723
幼苗
共回答了21个问题采纳率:95.2% 举报
(1) 4
2
3 ×0.6+0.6÷
3
14
=
14
3 ×0.6+0.6×
14
3
=
14
3 ×0.6×2
=5.6
(2)1-(
1
6 +
1
7 )×2
=1-
13
42 ×2
=1-
13
21
=
8
21
(3)
5
6 ÷(1-
9
20 )×
1
5
=
5
6 ÷
11
20 ×
1
5
=
5
6 ×
20
11 ×
1
5
=
10
33
(4)(
24
19 +
16
17 )×
1
8 +
15
17
=
24
19 ×
1
8 +
16
17 ×
1
8 +
15
17
=
3
19 +
2
17 +
15
17
=
3
19 +(
2
17 +
15
17 )
=
3
19 +1
=1
3
19 .
1年前
7