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能用简便方法要用简方法计算:(1)78+34×23÷4(2)6×(23−25)÷45(3)36×(112−29+518)(4)(34+12-712)×24(5)1724×34+1724÷4(6)12×3.2+5.6×0.5+1.2×50%

题目详情
能用简便方法要用简方法计算:
(1)
7
8
+
3
4
×
2
3
÷4
(2)6×(
2
3
2
5
4
5
(3)36×(
1
12
2
9
+
5
18
)
(4)(
3
4
+
1
2
-
7
12
)×24
(5)
17
24
×
3
4
+
17
24
÷4
(6)
1
2
×3.2+5.6×0.5+1.2×50%
能用简便方法要用简方法计算:
(1)
7
8
+
3
4
×
2
3
÷4
(2)6×(
2
3
2
5
4
5
(3)36×(
1
12
2
9
+
5
18
)
(4)(
3
4
+
1
2
-
7
12
)×24
(5)
17
24
×
3
4
+
17
24
÷4
(6)
1
2
×3.2+5.6×0.5+1.2×50%
能用简便方法要用简方法计算:
(1)
7
8
+
3
4
×
2
3
÷4
(2)6×(
2
3
2
5
4
5
能用简便方法要用简方法计算:
(1)
7
8
+
3
4
×
2
3
÷4

7
8
+
3
4
×
2
3
÷4
7
8
7788
3
4
3344
2
3
2233(2)6×(
2
3
2
5
4
5
6×(
2
3
2
5
4
5
2
3
2233
2
5
2255
4
5
4455 (3)36×(
1
12
2
9
+
5
18
)
(4)(
3
4
+
1
2
-
7
12
)×24
(3)36×(
1
12
2
9
+
5
18
)
36×(
1
12
2
9
+
5
18
)
1
12
111212
2
9
2299
5
18
551818(4)(
3
4
+
1
2
-
7
12
)×24
3
4
+
1
2
-
7
12
)×24
3
4
3344
1
2
-
7
12
)×24
1
2
1122
7
12
)×24
7
12
771212 (5)
17
24
×
3
4
+
17
24
÷4
(6)
1
2
×3.2+5.6×0.5+1.2×50%
(5)
17
24
×
3
4
+
17
24
÷4
17
24
×
3
4
+
17
24
÷4
17
24
17172424
3
4
+
17
24
÷4
3
4
3344
17
24
÷4
17
24
17172424(6)
1
2
×3.2+5.6×0.5+1.2×50%
1
2
×3.2+5.6×0.5+1.2×50%
1
2
1122
▼优质解答
答案和解析
7
8
+
3
4
×
2
3
÷4,
=
7
8
+
1
8

=1;

(2)6×(
2
3
-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
7
8
777888+
3
4
×
2
3
÷4,
=
7
8
+
1
8

=1;

(2)6×(
2
3
-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
3
4
333444×
2
3
÷4,
=
7
8
+
1
8

=1;

(2)6×(
2
3
-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
2
3
222333÷4,
=
7
8
+
1
8

=1;

(2)6×(
2
3
-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
7
8
777888+
1
8

=1;

(2)6×(
2
3
-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
1
8
111888,
=1;

(2)6×(
2
3
-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
2
3
222333-
2
5
)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
2
5
222555)÷
4
5

=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
4
5
444555,
=6×
4
15
×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
4
15
444151515×
5
4

=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
5
4
555444,
=2;

(3)36×(
1
12
-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
1
12
111121212-
2
9
+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
2
9
222999+
5
18
),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
5
18
555181818),
=36×
1
12
-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
1
12
111121212-36×
2
9
+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
2
9
222999+36×
5
18

=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
5
18
555181818,
=3-8+10,
=5;

(4)(
3
4
+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
3
4
333444+
1
2
-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
1
2
111222-
7
12
)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
7
12
777121212)×24,
=
3
4
×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
3
4
333444×24+
1
2
×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
1
2
111222×24-
7
12
×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
7
12
777121212×24,
=18+12-14,
=16;


(5)
17
24
×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
17
24
171717242424×
3
4
+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
3
4
333444+
17
24
÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
17
24
171717242424÷4,
=
17
24
×
3
4
+
17
24
×
1
4

=
17
24
×(
17
24
171717242424×
3
4
+
17
24
×
1
4

=
17
24
×(
3
4
333444+
17
24
×
1
4

=
17
24
×(
17
24
171717242424×
1
4

=
17
24
×(
1
4
111444,
=
17
24
×(
17
24
171717242424×(