早教吧 育儿知识 作业答案 考试题库 百科 知识分享

怎样简便就怎样算.49.5×0.2+2.07÷231350+450÷15×2579÷115+29×511(0.75-316)×(29+13)14÷(3-5

题目详情
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23 1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
(0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
怎样简便就怎样算.
49.5×0.2+2.07÷23 1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
怎样简便就怎样算.
49.5×0.2+2.07÷23
1350+450÷15×25
7
9
÷
11
5
+
2
9
×
5
11
7
9
÷
11
5
+
2
9
×
5
11
7
9
7 9 7 7 9 9
11
5
+
2
9
×
5
11
11
5
11 5 11 11 5 5
2
9
×
5
11
2
9
2 9 2 2 9 9
5
11
5
11
5 11 5 5 11 11 (0.75-
3
16
)×(
2
9
+
1
3
1
4
÷(3-
5
13
-
8
13
[4-(
3
4
-
3
8
)]×
4
29
(0.75-
3
16
)×(
2
9
+
1
3
3
16
)×(
2
9
+
1
3
3
16
3 16 3 3 16 16
2
9
+
1
3
2
9
2 9 2 2 9 9
1
3
1
3
1 3 1 1 3 3
1
4
÷(3-
5
13
-
8
13
1
4
÷(3-
5
13
-
8
13
1
4
1 4 1 1 4 4
5
13
-
8
13
5
13
5 13 5 5 13 13
8
13
8
13
8 13 8 8 13 13 [4-(
3
4
-
3
8
)]×
4
29
3
4
-
3
8
)]×
4
29
3
4
3 4 3 3 4 4
3
8
)]×
4
29
3
8
3 8 3 3 8 8
4
29
4
29
4 29 4 4 29 29
▼优质解答
答案和解析
(1)49.5×0.2+2.07÷23,=9.9+0.09,=9.99;(2)1350+450÷15×25,=1350+30×25,=1350+750,=2100;(3) 7 9 ÷ 11 5 + 2 9 × 5 11 ,= 7 9 × ...