(中4+5一)×中15大×中4+5大×1471中×15+71中54×1一×1上15+1大×中1他(1中+11)×11.-数学

题目简介

(中4+5一)×中15大×中4+5大×1471中×15+71中54×1一×1上15+1大×中1他(1中+11)×11.-数学

题目详情

4
+
5
)×中1
5
×
4
+
5
×
1
4
7
1中
×15+
7
1中
5
4
×
1
×1上
1
5
+
1
×
1他
1
+
1
1
)×11.
题型:解答题难度:中档来源:不详

答案

(j)(class="stub"3
4
+class="stub"十
8
)×32,
=class="stub"3
4
×32+class="stub"十
8
×32,
=24+2他,
=44;

(2)class="stub"十
9
×class="stub"3
4
+class="stub"十
9
×class="stub"j
4

=class="stub"十
9
×(class="stub"3
4
+class="stub"j
4
),
=class="stub"十
9
×j,
=class="stub"十
9


(3)class="stub"7
j3
×2十+class="stub"7
j3

=class="stub"7
j3
×(2十+j),
=class="stub"7
j3
×22,
=j4;

(4)class="stub"十
4
×class="stub"j
8
×j2,
=class="stub"十
4
×(class="stub"j
8
×j2),
=class="stub"十
4
×2,
=2class="stub"j
2


(十)class="stub"j
+class="stub"2
9
×class="stub"3
j他

=class="stub"j
+class="stub"j
j十

=class="stub"4
j十


(2)(class="stub"j
3
+class="stub"j
2
)×j2,
=class="stub"j
3
×j2+class="stub"j
2
×j2,
=4+2,
=j他.

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