合理计算:1.05+1.42÷(4.3+2.8)8.4×14+1.6×0.2523-38÷910+14(1415-1415×38)÷595-613÷926-43[12-(34-35)]÷710.-数学

题目简介

合理计算:1.05+1.42÷(4.3+2.8)8.4×14+1.6×0.2523-38÷910+14(1415-1415×38)÷595-613÷926-43[12-(34-35)]÷710.-数学

题目详情

合理计算:
1.05+1.42÷(4.3+2.8)
8.4×
1
4
+1.6×0.25

2
3
-
3
8
÷
9
10
+
1
4

(
14
15
-
14
15
×
3
8
5
9

5-
6
13
÷
9
26
-
4
3

[
1
2
-(
3
4
-
3
5
)]÷
7
10
题型:解答题难度:中档来源:不详

答案

1.05+1.42÷(4.3+2.8),
=1.05+1.42÷7.1,
=1.05+0.2,
=1.25;

8.4×class="stub"1
4
+1.6×0.25,
=8.4×0.25+1.6×0.25,
=(8.4+1.6)×0.25,
=10×0.25,
=2.5;

class="stub"2
3
-class="stub"3
8
÷class="stub"9
10
+class="stub"1
4

=class="stub"2
3
-class="stub"3
8
×class="stub"10
9
+class="stub"1
4

=class="stub"2
3
-class="stub"5
12
+class="stub"1
4

=class="stub"8
12
-class="stub"5
12
+class="stub"3
12

=class="stub"1
2


class="stub"14
15
-class="stub"14
15
×class="stub"3
8
)÷class="stub"5
9

=(1-class="stub"3
8
)×class="stub"14
15
×class="stub"9
5

=class="stub"5
8
×class="stub"14
15
×class="stub"9
5

=1class="stub"1
20


5-class="stub"6
13
÷class="stub"9
26
-class="stub"4
3

=5-class="stub"6
13
×class="stub"26
9
-class="stub"4
3

=5-class="stub"4
3
-class="stub"4
3

=5-(class="stub"4
3
+class="stub"4
3
),
=5-class="stub"8
3

=2class="stub"1
3


[class="stub"1
2
-(class="stub"3
4
-class="stub"3
5
)]÷class="stub"7
10

=[class="stub"1
2
-class="stub"3
20
]÷class="stub"7
10

=class="stub"7
20
×class="stub"10
7

=class="stub"1
2

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