(1588+2544+8511)÷(1188+2144+8111).-数学

题目简介

(1588+2544+8511)÷(1188+2144+8111).-数学

题目详情

(1
5
88
+2
5
44
+8
5
11
)÷(1
1
88
+2
1
44
+8
1
11
)
题型:解答题难度:中档来源:不详

答案

(1class="stub"5
88
+2class="stub"5
44
+8class="stub"5
11
)÷(1class="stub"1
88
+2class="stub"1
44
+8class="stub"1
11
)

=(1+class="stub"5
88
+2+class="stub"5
44
+8+class="stub"5
11
)÷(1+class="stub"1
88
+2+class="stub"1
44
+8+class="stub"1
11
),
=[(1+2+8)+(class="stub"5
88
+class="stub"5
44
+class="stub"5
11
)]÷[(1+2+8)+(class="stub"1
88
+class="stub"1
44
+class="stub"1
11
)],
=[11+class="stub"5
8
]÷[11+class="stub"1
8
],
=11class="stub"5
8
÷11class="stub"1
8

=class="stub"93
89

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