题干

直接写得数。
30×9=____       90÷3=____          22×4=____          200÷4=____
55÷5=____       3+400=____         62-7=____          6×700=____
0÷800=____      42×2=____          360÷9=____         3×6+4=____
1
4
2
4
=____     
4
5
4
5
=____       
4
7
2
7
=____        1-
5
6
=____
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答案(点此获取答案解析)

270,30,88,50,11,403,55,4200,0,84,40,22,34,0,