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计算:(1)37×159(2)223×6(3)12314×712(4)(116+59−718)×36(5)19×(120×9)×124(6)525×58+58×535.
题目详情
计算:
(1)
×1
(2)2
×6
(3)12
×
(4)(
+
−
)×36
(5)
×(120×9)×
(6)5
×
+
×5
.
(1)
3 |
7 |
5 |
9 |
(2)2
2 |
3 |
(3)12
3 |
14 |
7 |
12 |
(4)(
11 |
6 |
5 |
9 |
7 |
18 |
(5)
1 |
9 |
1 |
24 |
(6)5
2 |
5 |
5 |
8 |
5 |
8 |
3 |
5 |
▼优质解答
答案和解析
(1)
×1
,
=
×
,
=
;
(2)2
×6,
=(2+
)×6,
=2×6+
×6,
=12+4,
=16;
(3)12
×
,
=(12+
)×
,
=12×
+
×
,
=7+
,
=7
;
(4)(
+
−
)×36,
=
×36+
×36-
×36,
=66+20-14,
=86-14,
=72;
(5)
×(120×9)×
,
=(
×9)×(120×
),
=1×5,
=6;
(6)5
×
+
×5
,
=(5
+5
)×
3 |
7 |
5 |
9 |
=
3 |
7 |
14 |
9 |
=
2 |
3 |
(2)2
2 |
3 |
=(2+
2 |
3 |
=2×6+
2 |
3 |
=12+4,
=16;
(3)12
3 |
14 |
7 |
12 |
=(12+
3 |
14 |
7 |
12 |
=12×
7 |
12 |
3 |
14 |
7 |
12 |
=7+
1 |
8 |
=7
1 |
8 |
(4)(
11 |
6 |
5 |
9 |
7 |
18 |
=
11 |
6 |
5 |
9 |
7 |
18 |
=66+20-14,
=86-14,
=72;
(5)
1 |
9 |
1 |
24 |
=(
1 |
9 |
1 |
24 |
=1×5,
=6;
(6)5
2 |
5 |
5 |
8 |
5 |
8 |
3 |
5 |
=(5
2 |
5 |
3 |
5 |
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