313+81015+41035+22463+15199.-数学

题目简介

313+81015+41035+22463+15199.-数学

题目详情

3
1
3
+8
10
15
+4
10
35
+2
24
63
+1
51
99
题型:解答题难度:中档来源:不详

答案

3class="stub"1
3
+8class="stub"10
15
+4class="stub"10
35
+2class="stub"24
63
+1class="stub"51
99

=3class="stub"1
3
+8class="stub"2
3
+4class="stub"2
7
+2class="stub"8
21
+1class="stub"17
33

=(3class="stub"1
3
+8class="stub"2
3
)+(4class="stub"2
7
+2class="stub"8
21
)+1class="stub"17
33

=12+6class="stub"2
3
+1class="stub"17
33

=18class="stub"2
3
+1class="stub"17
33

=(18+1)+(class="stub"2
3
+class="stub"17
33
),
=19+class="stub"13
11

=20class="stub"2
11

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