题目内容

计算,能简算的要简算.
①56×(
4
7
+
5
8
-
3
4
②8.32×101-8.32③6.75-1
1
6
+3.25-2
5
6
1
2
÷[
2
3
×(
1
6
+
1
3
)]
⑤(
5
6
-
3
4
)÷(
1
4
+
1
6
⑥(
4
5
+25%)÷
7
3
+0.7.
①56×(
4
7
+
5
8
-
3
4

=56×
4
7
+56×
5
8
+56×
3
4

=32+35+42
=109;
②8.32×101-8.32
=8.32×(101-1)
=8.32×100
=832;
③6.75-1
1
6
+3.25-2
5
6

=6.75+3.25-(1
1
6
+2
5
6

=10-4
=6;
1
2
÷[
2
3
×(
1
6
+
1
3
)]
=
1
2
÷
[
2
3
×
1
6
+
2
3
×
1
3
]
=
1
2
÷[
1
9
+
2
9
]
=
1
2
÷
1
3

=
1
2
×3
=
3
2

⑤(
5
6
-
3
4
)÷(
1
4
+
1
6

=
1
12
÷
5
12

=
1
12
×
12
5

=
1
5

⑥(
4
5
+25%)÷
7
3
+0.7
=(
16
20
+
5
20
)×
3
7
+0.7
=
21
20
×
3
7
+0.7
=0.45+0.7
=1.15.
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