(14+0.8)÷0.63-(34÷0.45-125).-数学

题目简介

(14+0.8)÷0.63-(34÷0.45-125).-数学

题目详情

(
1
4
+0.8)÷0.63-(
3
4
÷0.45-1
2
5
)
题型:解答题难度:中档来源:不详

答案

class="stub"1
4
+0.8)÷0.63-(class="stub"3
4
÷0.45-1class="stub"2
5
),
=(class="stub"1
4
+class="stub"4
5
)÷class="stub"63
100
-(class="stub"3
4
÷class="stub"9
20
-1class="stub"2
5
),
=class="stub"21
20
×class="stub"100
63
-(class="stub"3
4
×class="stub"20
9
-1class="stub"2
5
),
=class="stub"5
3
-(class="stub"5
3
-1class="stub"2
5
),
=class="stub"5
3
-class="stub"5
3
+1class="stub"2
5

=1class="stub"2
5

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