hupan119
幼苗
共回答了15个问题采纳率:86.7% 举报
(1)
17
12 ×
5
34 ×
3
4 ,
=
5
32 ;
(2)
5
7 ×72-
5
7 ×23 ,
=
5
7 ×(72-23),
=
5
7 ×49,
=35;
(3)
14
17 +
14
17 ×16 ,
=
14
17 ×(1+16),
=14;
(4)(
1
4 +
1
6 )×24,
=
1
4 × 24+
1
6 ×24,
=6+4,
=10;
(5)
1
8 ×5×
8
9 ,
=
5
9 ;
(6)
6
5 ×3+
6
5 ×6+
6
5 ,
=
6
5 ×(3+6+1),
=
6
5 ×10,
=12.
1年前
1