(172008+271004+87251)÷(112008+211004+81251)=______.-数学

题目简介

(172008+271004+87251)÷(112008+211004+81251)=______.-数学

题目详情

(1
7
2008
+2
7
1004
+8
7
251
)÷(1
1
2008
+2
1
1004
+8
1
251
)
=______.
题型:填空题难度:中档来源:不详

答案

(1)(1class="stub"7
2008
+2class="stub"7
1004
+8class="stub"7
251
)÷(1class="stub"1
2000
+2class="stub"1
1004
+8class="stub"1
251

=(class="stub"2015
2008
+class="stub"4030
2008
+class="stub"16120
2008
)÷(class="stub"2009
2008
+class="stub"4018
2008
+class="stub"16072
2008

=class="stub"22165
2008
×class="stub"2008
22099

=class="stub"2015
2009

或(2)(1class="stub"7
2008
+2class="stub"7
1004
+8class="stub"7
251
)÷(1class="stub"1
2008
+2class="stub"1
1004
+8class="stub"1
251

=【(1+2+8)+(class="stub"1
2008
+class="stub"1
1004
+class="stub"1
251
)×7】÷[(1+2+8)+(class="stub"1
2008
+class="stub"1
1004
+class="stub"1
251
)]
=[11+class="stub"77
2008
)÷[11+class="stub"11
2008

=class="stub"22165
2008
×class="stub"2008
22099

=class="stub"2015
2009

故答案为:class="stub"2015
2009

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