精英家教网 > 小学数学 > 题目详情

35×12+65×12,计算正确的是

[  ]

A.(35+12)×65

B.(35+65)×12

C.(65+12)×35

练习册系列答案
相关习题

科目:小学数学 来源: 题型:

计算下面各题.
1.35÷1.5+6.12×0.5 [1.7÷(6.8-6.12)]×8.6 4.8×0.65+0.65×4.2 6.8÷[(4.5-2.8)×0.4].

查看答案和解析>>

科目:小学数学 来源: 题型:

直接写出得数.
12.5×0.1= 9.8÷0.01= 3.4+13= 1-0.45= 0.65+0.35= 0.5-0.24=
0.2-0.02= 25÷100= 0.56×1000= 1.8÷3= 0.25×32= 0.4-0.4÷4=

查看答案和解析>>

科目:小学数学 来源: 题型:

脱式计算,能简算的要简算
(1)
4
5
-
4
5
÷
2
3
×
1
2
    
 (2)(
2
3
+
4
15
)×45
  
(3)12.87+3.65+1.35
(4)74.6×19+19×25.4 
(5)[1-(
3
4
-
1
6
)]÷
2
3
 
(6)168.1÷(4.5×2-0.8)

查看答案和解析>>

科目:小学数学 来源: 题型:

口算
1
4
×
1
3
=
4
7
÷2
=
1
2
÷
1
2
=
10÷
5
6
=
2
3
×
3
4
=
9
10
÷
1
5
=
1
6
÷6
=
8
9
÷4
=
15×
4
5
=
15÷
1
3
=
3
4
×
2
9
=
2
3
÷
1
2
=
2
5
×
1
2
=
1
2
÷
1
4
=
1
2
×
1
4
=
4
5
÷
1
5
=
3
7
×14
=
1
4
÷
1
2
=
1
2
-
1
4
=
4
9
×
3
4
=
5
8
×
2
5
=
1
6
÷
2
3
=
1
2
+
1
4
=
3
5
÷1
=
7
15
×5
=
3
4
=
1
2
÷
1
4
=
3
5
=
3
4
×12
=
1
5
÷
2
3
=
7
9
×
3
7
=
1-
3
5
=
18×
5
6
=
7
5
=
1
3
+
1
6
=
1+
3
5
=
2
9
×
1
4
=
8
3
÷2
=
3
5
÷
2
5
=
5
9
÷3
=
5
6
×
3
10
=
2
5
÷
1
2
=
1
4
=
3
4
=
30×
1
3
=
4
5
÷2
=
5
24
÷
5
6
=
5
8
×
1
2
×0
=
1
3
×
3
11
=
1
4
=
9
10
÷
3
5
=
1
3
÷
1
2
=
9
11
=
2
5
÷
1
5
=
1
3
÷
1
3
=
2
9
÷
1
2
=
5
6
×
6
5
=
1
5
÷
1
3
=
5
12
=
1
2
÷
1
2
=

查看答案和解析>>

科目:小学数学 来源: 题型:

解方程或解比例
6
x
=
10
7
②3:8=24:x
3
4
9
10
=x:
3
5
12.5
2.5
=
x
8
⑤x-
3
5
x=
6
5
⑥0.25+25%x=1.5;
1
2
X-
4
5
=
1
5
⑧4.5x-
1
2
x=6.

查看答案和解析>>

同步练习册答案