题目内容

计算
①78÷[32×(1-
5
8
)+3.6]
4
5
÷[(
3
5
-
1
4
)÷
7
10
]
18
29
×0.625+
5
8
×
6
29
+6.13+
14
29

2
3
+
1
6
+
1
9
+
1
12
+
1
15
+
1
18

1
2×4
+
1
4×6
+
1
6×8
+
1
8×10
+
1
10×12

⑥(1+
1
2
+
1
3
)×(
1
2
+
1
3
+
1
4
)-(1+
1
2
+
1
3
+
1
4
)×(
1
2
+
1
3

①78÷[32×(1-
5
8
)+3.6],
=78÷[32×
3
8
+3.6],
=78÷[12+3.6],
=78÷15.6,
=5;

4
5
÷[(
3
5
-
1
4
)÷
7
10
],
=
4
5
÷[
7
20
÷
7
10
],
=
4
5
÷
1
2

=
8
5


18
29
×0.625+
5
8
×
6
29
+6.13+
14
29

=
18
29
×
5
8
+
5
8
×
6
29
+6.13+
14
29

=(
18
29
+
6
29
)×
5
8
+6.13+
14
29

=
24
29
×
5
8
+6.13+
14
29

=
15
29
+6.13+
14
29

=
15
29
+
14
29
+6.13,
=1+6.13,
=7.13;

2
3
+
1
6
+
1
9
+
1
12
+
1
15
+
1
18

=(
2
3
+
1
6
)+(
1
9
+
1
18
)+(
1
12
+
1
15
),
=
5
6
+
1
6
+
3
20

=1+
3
20

=1
3
20


1
2×4
+
1
4×6
+
1
6×8
+
1
8×10
+
1
10×12

=
1
2
×(
1
2
-
1
4
+
1
4
-
1
6
+
1
6
-
1
8
+
1
8
-
1
10
+
1
10
-
1
12
),
=
1
2
×(
1
2
-
1
12
),
=
1
2
×
5
12

=
5
24


⑥(1+
1
2
+
1
3
)×(
1
2
+
1
3
+
1
4
)-(1+
1
2
+
1
3
+
1
4
)×(
1
2
+
1
3
),
=1×(
1
2
+
1
3
+
1
4
)+(
1
2
+
1
3
)×(
1
2
+
1
3
+
1
4
)-1×(
1
2
+
1
3
)-(
1
2
+
1
3
+
1
4
)×(
1
2
+
1
3
),
=
1
2
+
1
3
+
1
4
+(
1
2
+
1
3
)×(
1
2
+
1
3
+
1
4
)-(
1
2
+
1
3
)-(
1
2
+
1
3
+
1
4
)×(
1
2
+
1
3
),
=
1
2
+
1
3
+
1
4
-(
1
2
+
1
3
)+[(
1
2
+
1
3
)×(
1
2
+
1
3
+
1
4
)-(
1
2
+
1
3
+
1
4
)×(
1
2
+
1
3
)],
=
1
2
+
1
3
+
1
4
-
1
2
-
1
3

=
1
4
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