口算28÷着着手=2手×着2=着-28-58=着6×97=手-45=57×75-着=24+着手=89×24=-数学

题目简介

口算28÷着着手=2手×着2=着-28-58=着6×97=手-45=57×75-着=24+着手=89×24=-数学

题目详情

口算
2
8
÷
着手
=
2×
2
=
着-
2
8
-
5
8
=
6
×
9
7
=
手-
4
5
=
5
7
×
7
5
-着=
2
4
+
=
8
9
×
2
4
=
题型:解答题难度:中档来源:不详

答案


class="stub"3
8
÷class="stub"1
1得
=class="stub"9

3得×class="stub"1
3
=3

1-class="stub"3
8
-class="stub"5
8
=0

class="stub"1
r
×class="stub"9
7
=class="stub"3
14
得-class="stub"4
5
=1class="stub"1
5
class="stub"5
7
×class="stub"7
5
-1=0
class="stub"3
4
+class="stub"1
=class="stub"5
4
class="stub"8
9
×class="stub"3
4
=class="stub"得
3

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