无限浪漫
幼苗
共回答了18个问题采纳率:100% 举报
(1)4050-6300÷42,
=4050-150,
=3900;
(2)5.04×6.5-2.76
=32.76-2.76,
=30;
(3)175×
3
10 +
7
10 ×175,
=(
3
10 +
7
10 )×175,
=1×175,
=175;
(4)[
1
3 +
8
33 ×(
5
6 -0.375)]÷
2
3
=[
1
3 +
8
33 ×(
5
6 -
3
8 )]÷
2
3 ,
=[
1
3 +
8
33 ×
11
24 ]×
3
2 ,
=[
1
3 +
1
9 ]×
3
2 ,
=
4
9 ×
3
2 ,
=
2
3 .
1年前
6