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(2012•广州模拟)计算:(1)19175÷59+678(2)36.5×1.4-8.51÷3.7(3)41112+415÷312×156(4)4.6×35+0.6×3.4+2×35(5)[1115+(234-0.35)×56]÷12.
题目详情
(2012•广州模拟)计算:
(1)19175÷59+678
(2)36.5×1.4-8.51÷3.7
(3)4
+4
÷3
×1
(4)4.6×
+0.6×3.4+2×
(5)[1
+(2
-0.35)×
]÷12.
(1)19175÷59+678
(2)36.5×1.4-8.51÷3.7
(3)4
11 |
12 |
1 |
5 |
1 |
2 |
5 |
6 |
(4)4.6×
3 |
5 |
3 |
5 |
(5)[1
1 |
15 |
3 |
4 |
5 |
6 |
▼优质解答
答案和解析
(1)19175÷59+678,
=325+678,
=1003;
(2)36.5×1.4-8.51÷3.7,
=51.1-2.3,
=48.8;
(3)4
+4
÷3
×1
,
=4
+
×
×
,
=4
+
×
,
=4
+
=4
+2
,
=(4+2)+(
+
),
=6+1
,
=7
;
(4)4.6×
+0.6×3.4+2×
,
=4.6×0.6+0.6×3.4+2×0.6,
=(4.6+3.4+2)×0.6,
=10×0.6,
=6;
(5)[1
+(2
-0.35)×
]÷12,
=[1
+
×
]÷12,
=[1
+2]÷12,
=
×
=325+678,
=1003;
(2)36.5×1.4-8.51÷3.7,
=51.1-2.3,
=48.8;
(3)4
11 |
12 |
1 |
5 |
1 |
2 |
5 |
6 |
=4
11 |
12 |
21 |
5 |
2 |
7 |
11 |
6 |
=4
11 |
12 |
6 |
5 |
11 |
6 |
=4
11 |
12 |
11 |
5 |
=4
11 |
12 |
1 |
5 |
=(4+2)+(
11 |
12 |
1 |
5 |
=6+1
7 |
60 |
=7
7 |
60 |
(4)4.6×
3 |
5 |
3 |
5 |
=4.6×0.6+0.6×3.4+2×0.6,
=(4.6+3.4+2)×0.6,
=10×0.6,
=6;
(5)[1
1 |
15 |
3 |
4 |
5 |
6 |
=[1
1 |
15 |
12 |
5 |
5 |
6 |
=[1
1 |
15 |
=
46 |
15 |
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