计算下面各题,能简算的要简算①96×(72-14.4)÷3.6②( 1 2 + 1 3 + 1

2024-11-30 20:15:33
推荐回答(1个)
回答1:

①96×(72-14.4)÷3.6,
=96×57.6÷3.6,
=1536;

②(
1
2
+
1
3
+
1
4
)×12,
=
1
2
×12+
1
3
×12+
1
4
×12,
=6+4+3,
=13;

2
7
×36+36×
5
7

=(
2
7
+
5
7
)×36,
=1×36,
=36;

④[
5
7
-(
2
3
-
1
6
)]÷
6
5

=[
5
7
-
1
2
6
5

=
3
14
×
5
6

=
5
28