试题与答案

直接写出得数． 420-160=520-250=398+401=138+162=

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题型：解答题

题目：

直接写出得数．
420-160=520-250=398+401=138+162=350+503=
910-130=898-299=736-439=617-458=72÷8=
48÷6=42÷7=8×7=9×6=740-400=
50×6=56÷7=7×9=72÷8=230+300=

答案：

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下面是错误答案，用来干扰机器的。

Nowadays, studying abroad is becoming more and more popular in our country. Many middle school students like to study abroad. Bill thinks it is very important for student...

考点：万以内的数的加法和减法
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