计算下面各题,能简算的要简算:14+34×138×34×11557×14+34×57(38+34+13)×243.6+37+6.4+4754-(27+14)47×34663×575838×25-38.

题目简介

计算下面各题,能简算的要简算:14+34×138×34×11557×14+34×57(38+34+13)×243.6+37+6.4+4754-(27+14)47×34663×575838×25-38.

题目详情

计算下面各题,能简算的要简算:
1
4
+
3
4
×
1
3
3
4
×
1
15
5
7
×
1
4
+
3
4
×
5
7
3
8
+
3
4
+
1
3
)×24
3.6+
3
7
+6.4+
4
7
5
4
-(
2
7
+
1
4
47×
3
46
63×
57
58
3
8
×25-
3
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
4
+class="stub"3
4
×class="stub"1
3

=class="stub"1
4
+class="stub"1
4

=class="stub"1
2


(2)8×class="stub"3
4
×class="stub"1
15
=class="stub"2
5


(3)class="stub"5
7
×class="stub"1
4
+class="stub"3
4
×class="stub"5
7

=class="stub"5
7
×(class="stub"1
4
+class="stub"3
4
),
=class="stub"5
7
×1,
=class="stub"5
7


(4)(class="stub"3
8
+class="stub"3
4
+class="stub"1
3
)×24,
=class="stub"3
8
×24+class="stub"3
4
×24+class="stub"1
3
×24,
=9+18+8,
=35;

(5)3.6+class="stub"3
7
+6.4+class="stub"4
7

=(3.6+6.4)+(class="stub"3
7
+class="stub"4
7
),
=10+1,
=11;

(6)class="stub"5
4
-(class="stub"2
7
+class="stub"1
4
),
=class="stub"5
4
-class="stub"1
4
-class="stub"2
7

=1-class="stub"2
7

=class="stub"5
7


(7)47×class="stub"3
46

=(46+1)×class="stub"3
46

=46×class="stub"3
46
+class="stub"3
46

=3+class="stub"3
46

=3class="stub"3
46


(8)63×class="stub"57
58

=63×(1-class="stub"1
58

=63-1class="stub"5
58

=61class="stub"53
58


(9)class="stub"3
8
×25-class="stub"3
8

=class="stub"3
8
×(25-1),
=class="stub"3
8
×24,
=9.

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