试题 试卷
题型:解决问题 题类: 难易度:普通
北师大版数学四下1.7《歌手大赛》同步练习
80 ×9 =
34 ×6 =
420÷7 =
100-42=
0 ×402 =
287 +13 =
200 ÷5 =
25 ×4 =
4.5 +3.1 =
8-4.2=
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