问题 解答题
直接写得数
13×10=210×4=202÷2=30×2=
30×40=0÷9=21÷7=45×2=
7×80=0×67=120×5=20×40=
700÷7=560÷8=51÷3=240÷4=
300÷2=13×3=900×8=640÷8=
985-409=192+298=706-203=500-270=
16+4÷4=13+7×3=6×8+20=78÷8×0=
5
8
-
1
8
=
1
6
+
2
6
=
1-
1
5
=
3
7
+
4
7
=
答案

13×10=130,210×4=840,202÷2=101,0×2=0,
30×40=1200,0÷9=0,21÷7=3,45×2=90,
7×80=560,0×67=0,20×5=100,20×40=800,
700÷7=100,560÷8=70,51÷3=17,240÷4=60,
300÷2=150,13×3=39,900×8=7200,640÷8=80,
985-409=576,192+298=490,706-203=503,500-270=230,
16+4÷4=17,13+7×3=34,6×8+20=68,78÷8×0=0,
5
8
-
1
8
=
1
2
1
6
+
2
6
=
1
2
1-
1
5
=
4
5
3
7
+
4
7
=1.

选择题
单项选择题