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用递等式计算(注意运用简便算法).56×(47+58)25×17×816.4+3.5×529-6.46-3.54518×27+318×27710×59÷1415.
题目详情
用递等式计算(注意运用简便算法).
56×(
+
) 25×17×8 16.4+3.5×5
29-6.46-3.54
×27+
×27
×
÷
.
+
) 25×17×8 16.4+3.5×5
29-6.46-3.54
×27+
×27
×
÷
.
4 4 7 7
) 25×17×8 16.4+3.5×5
29-6.46-3.54
×27+
×27
×
÷
.
5 5 8 8
×27+
×27
×
÷
.
5 5 18 18
×27
×
÷
.
3 3 18 18
×
÷
.
7 7 10 10
÷
.
5 5 9 9
.
14 14 15 15
56×(
4 |
7 |
5 |
8 |
29-6.46-3.54
5 |
18 |
3 |
18 |
7 |
10 |
5 |
9 |
14 |
15 |
4 |
7 |
5 |
8 |
29-6.46-3.54
5 |
18 |
3 |
18 |
7 |
10 |
5 |
9 |
14 |
15 |
4 |
7 |
5 |
8 |
29-6.46-3.54
5 |
18 |
3 |
18 |
7 |
10 |
5 |
9 |
14 |
15 |
5 |
8 |
5 |
18 |
3 |
18 |
7 |
10 |
5 |
9 |
14 |
15 |
5 |
18 |
3 |
18 |
7 |
10 |
5 |
9 |
14 |
15 |
3 |
18 |
7 |
10 |
5 |
9 |
14 |
15 |
7 |
10 |
5 |
9 |
14 |
15 |
5 |
9 |
14 |
15 |
14 |
15 |
▼优质解答
答案和解析
(1)56×(
+
)
=56×
+56×
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
×27+
×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
4 4 47 7 7+
)
=56×
+56×
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
×27+
×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
5 5 58 8 8)
=56×
+56×
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
×27+
×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
4 4 47 7 7+56×
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
×27+
×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
5 5 58 8 8
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
×27+
×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
5 5 518 18 18×27+
×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
3 3 318 18 18×27
=(
+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
5 5 518 18 18+
)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
3 3 318 18 18)×27
=
×27
=12;
(6)
×
÷
=
×
=
.
4 4 49 9 9×27
=12;
(6)
×
÷
=
×
=
.
7 7 710 10 10×
÷
=
×
=
.
5 5 59 9 9÷
=
×
=
.
14 14 1415 15 15
=
×
=
.
7 7 718 18 18×
=
.
15 15 1514 14 14
=
.
5 5 512 12 12.
4 |
7 |
5 |
8 |
=56×
4 |
7 |
5 |
8 |
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
5 |
18 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
4 |
7 |
5 |
8 |
=56×
4 |
7 |
5 |
8 |
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
5 |
18 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
5 |
8 |
=56×
4 |
7 |
5 |
8 |
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
5 |
18 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
4 |
7 |
5 |
8 |
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
5 |
18 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
5 |
8 |
=32+35
=67;
(2)25×17×8
=25×8×17
=200×17
=3400;
(3)16.4+3.5×5
=16.4+17.5
=33.9;
(4)29-6.46-3.54
=29-(6.46+3.54)
=29-10
=19;
(5)
5 |
18 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
5 |
18 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
3 |
18 |
=(
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
5 |
18 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
3 |
18 |
=
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
4 |
9 |
=12;
(6)
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
7 |
10 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
5 |
9 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
14 |
15 |
=
7 |
18 |
15 |
14 |
=
5 |
12 |
7 |
18 |
15 |
14 |
=
5 |
12 |
15 |
14 |
=
5 |
12 |
5 |
12 |
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