849÷[98-(18+37)].-数学

题目简介

849÷[98-(18+37)].-数学

题目详情

8
49
÷[
9
8
-(
1
8
+
3
7
)]
题型:解答题难度:中档来源:不详

答案

class="stub"8
49
÷[class="stub"9
8
-(class="stub"1
8
+class="stub"3
7
)]

=class="stub"8
49
÷(class="stub"9
8
-class="stub"1
8
-class="stub"3
7
),
=class="stub"8
49
÷(1-class="stub"3
7
),
=class="stub"8
49
÷class="stub"4
7

=class="stub"8
49
×class="stub"7
4

=class="stub"2
7

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