脱式计算.25×124+3600÷2405.02-1.25-2.75(45-14)÷1112+161-(4.3×0.2-0.106)[1-(25+13)]÷25(16+14-13)×12.-数学

题目简介

脱式计算.25×124+3600÷2405.02-1.25-2.75(45-14)÷1112+161-(4.3×0.2-0.106)[1-(25+13)]÷25(16+14-13)×12.-数学

题目详情

脱式计算.
25×124+3600÷240   5.02-1.25-2.75 
4
5
-
1
4
)÷
11
12
+
1
6
1-(4.3×0.2-0.106)[1-(
2
5
+
1
3
)]÷
2
5
 
1
6
+
1
4
-
1
3
)×12.
题型:解答题难度:中档来源:不详

答案

(1)25×124+3600÷240,
=3100+15,
=3115;

(2)5.02-1.25-2.75,
=5.02-(1.25+2.75),
=5.02-4,
=1.02;

(3)(class="stub"4
5
-class="stub"1
4
)÷class="stub"11
12
+class="stub"1
6

=class="stub"11
20
÷class="stub"11
12
+class="stub"1
6

=class="stub"3
5
+class="stub"1
6

=class="stub"23
30


(4)1-(4.3×0.2-0.106),
=1-(0.86-0.106),
=1-0.754,
=0.246;

(5)[1-(class="stub"2
5
+class="stub"1
3
)]÷class="stub"2
5

=[1-class="stub"11
15
]÷class="stub"2
5

=class="stub"4
15
÷class="stub"2
5

=class="stub"2
3


(6)(class="stub"1
6
+class="stub"1
4
-class="stub"1
3
)×12,
=class="stub"1
6
×12+class="stub"1
4
×12-class="stub"1
3
×12,
=2+3-4,
=1.

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