脱式计算[1-(13+15)]×526134+7÷(3712-138)408+540÷18×2446×2.2÷(3.3+5.9)-数学

题目简介

脱式计算[1-(13+15)]×526134+7÷(3712-138)408+540÷18×2446×2.2÷(3.3+5.9)-数学

题目详情

脱式计算
[1-(
1
3
+
1
5
)]×
5
26
13
4
+7÷(
37
12
-
13
8
408+540÷18×2446×2.2÷(3.3+5.9)
题型:解答题难度:中档来源:不详

答案

(1)[1-(class="stub"1
3
+class="stub"1
5
)]×class="stub"5
26

=[1-class="stub"8
15
class="stub"5
26

=class="stub"7
15
×class="stub"5
26

=class="stub"7
78


(2)class="stub"13
4
+7÷(class="stub"37
12
-class="stub"13
8
),
=class="stub"13
4
+7÷class="stub"35
24

=class="stub"13
4
+class="stub"24
5

=class="stub"161
20


(3)408+540÷18×24,
=408+30×24,
=408+720,
=1128;

(4)46×2.2÷(3.3+5.9),
=46×2.2÷9.2,
=101.2÷9.2,
=11.

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