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口算20×5=33÷6=245+355=700×2=78÷9=500-370=300×4=378+622=54÷6=101×8=900-590=280+620=28×3=28÷3=768-368=455+0=78-58=13+13=49+29=46-36=

题目详情
口算
20×5=

33÷6=

245+355=

700×2=
78÷9=500-370=300×4=378+622=
54÷6=101×8=900-590=280+620=
28×3=28÷3=768-368=455+0=
7
8
-
5
8
=
1
3
+
1
3
=
4
9
+
2
9
=
4
6
-
3
6
=
口算
20×5=

33÷6=

245+355=

700×2=
78÷9=500-370=300×4=378+622=
54÷6=101×8=900-590=280+620=
28×3=28÷3=768-368=455+0=
7
8
-
5
8
=
1
3
+
1
3
=
4
9
+
2
9
=
4
6
-
3
6
=
口算
20×5=
33÷6=
245+355=
700×2=口算
20×5=

33÷6=

245+355=

700×2=
78÷9=500-370=300×4=378+622=78÷9=500-370=300×4=378+622=54÷6=101×8=900-590=280+620=54÷6=101×8=900-590=280+620=28×3=28÷3=768-368=455+0=28×3=28÷3=768-368=455+0=
7
8
-
5
8
=
1
3
+
1
3
=
4
9
+
2
9
=
4
6
-
3
6
=
7
8
-
5
8
=
7
8
-
5
8
=
7
8
7788
5
8
=
5
8
5588
1
3
+
1
3
=
1
3
+
1
3
=
1
3
1133
1
3
=
1
3
1133
4
9
+
2
9
=
4
9
+
2
9
=
4
9
4499
2
9
=
2
9
2299
4
6
-
3
6
=
4
6
-
3
6
=
4
6
4466
3
6
=
3
6
3366
▼优质解答
答案和解析
20×5=100
33÷6=5…3

245+355=600

700×2=1400
78÷9=8…6500-370=130300×4=1200378+622=1000
54÷6=9101×8=808900-590=310280+620=900
28×3=8428÷3=9…1768-368=400455+0=455
7
8
-
5
8
=
1
4
1
3
+
1
3
=
2
3
4
9
+
2
9
=
2
3
4
6
-
3
6
=
1
6
20×5=100
33÷6=5…3
245+355=600
700×2=140020×5=10020×5=100
33÷6=5…3
33÷6=5…3
245+355=600
245+355=600
700×2=1400
700×2=140078÷9=8…6500-370=130300×4=1200378+622=100078÷9=8…678÷9=8…6500-370=130500-370=130300×4=1200300×4=1200378+622=1000378+622=100054÷6=9101×8=808900-590=310280+620=90054÷6=954÷6=9101×8=808101×8=808900-590=310900-590=310280+620=900280+620=90028×3=8428÷3=9…1768-368=400455+0=45528×3=8428×3=8428÷3=9…128÷3=9…1768-368=400768-368=400455+0=455455+0=455
7
8
-
5
8
=
1
4
1
3
+
1
3
=
2
3
4
9
+
2
9
=
2
3
4
6
-
3
6
=
1
6
7
8
-
5
8
=
1
4
7
8
-
5
8
=
1
4
7
8
777888-
5
8
=
1
4
5
8
555888=
1
4
1
4
111444
1
3
+
1
3
=
2
3
1
3
+
1
3
=
2
3
1
3
111333+
1
3
=
2
3
1
3
111333=
2
3
2
3
222333
4
9
+
2
9
=
2
3
4
9
+
2
9
=
2
3
4
9
444999+
2
9
=
2
3
2
9
222999=
2
3
2
3
222333
4
6
-
3
6
=
1
6
4
6
-
3
6
=
1
6
4
6
444666-
3
6
=
1
6
3
6
333666=
1
6
1
6
111666