早教吧 育儿知识 作业答案 考试题库 百科 知识分享

脱式计算能简算的要简算1.5×14+14×8.51.5×0.9+450÷18103×1.25×910×810.39-﹙3.78+4.39﹚49÷﹙59-518﹚﹙34+25﹚×4058-﹙12+13﹚×12.

题目详情
脱式计算 能简算的要简算
1.5×
1
4
+
1
4
×8.5                           
1.5×0.9+450÷18
10
3
×1.25×
9
10
×8                         
10.39-﹙3.78+4.39﹚
4
9
÷﹙
5
9
-
5
18
3
4
+
2
5
﹚×40            
5
8
-﹙
1
2
+
1
3
﹚×
1
2

1.5×
1
4
+
1
4
×8.5                           
1.5×0.9+450÷18
10
3
×1.25×
9
10
×8                         
10.39-﹙3.78+4.39﹚
4
9
÷﹙
5
9
-
5
18
3
4
+
2
5
﹚×40            
5
8
-﹙
1
2
+
1
3
﹚×
1
2
1.5×
1
4
+
1
4
×8.5                           
1.5×0.9+450÷181.5×
1
4
+
1
4
×8.5                           
1
4
+
1
4
×8.5                           
1
4
1144
1
4
×8.5                           
1
4
11441.5×0.9+450÷18
10
3
×1.25×
9
10
×8                         
10.39-﹙3.78+4.39﹚
10
3
×1.25×
9
10
×8                         
10
3
×1.25×
9
10
×8                         
10
3
101033
9
10
×8                         
9
10
99101010.39-﹙3.78+4.39﹚
4
9
÷﹙
5
9
-
5
18
3
4
+
2
5
﹚×40            
4
9
÷﹙
5
9
-
5
18
4
9
÷﹙
5
9
-
5
18
4
9
4499
5
9
-
5
18
5
9
5599
5
18
5
18
551818﹙
3
4
+
2
5
﹚×40            
3
4
+
2
5
﹚×40            
3
4
3344
2
5
﹚×40            
2
5
2255
5
8
-﹙
1
2
+
1
3
﹚×
1
2
5
8
-﹙
1
2
+
1
3
﹚×
1
2
5
8
-﹙
1
2
+
1
3
﹚×
1
2
5
8
5588
1
2
+
1
3
﹚×
1
2
1
2
1122
1
3
﹚×
1
2
1
3
1133
1
2
1
2
1122
▼优质解答
答案和解析
(1)1.5×14+14×8.5=(1.5+8.5)×14=10×14=2.5;(2)1.5×0.9+450÷18=1.35+25=26.35;(3)103×1.25×910×8=(103×910)×(1.25×8)=3×10=30;(4)10.39-(3.78+4.39)=10.39-3.78-4.39=10.39-4.39-3.7...