用递等式计算37÷(710-16)0.8×(3.75-0.3)÷0.1(23-53×38)÷7161719÷(14+27×78)-数学

题目简介

用递等式计算37÷(710-16)0.8×(3.75-0.3)÷0.1(23-53×38)÷7161719÷(14+27×78)-数学

题目详情

用递等式计算
3
7
÷(
7
10
-
1
6
0.8×(3.75-0.3)÷0.1
2
3
-
5
3
×
3
8
)÷
7
16
17
19
÷(
1
4
+
2
7
×
7
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"3
7
÷(class="stub"7
10
-class="stub"1
6
),
=class="stub"3
7
÷class="stub"16
30

=class="stub"3
7
×class="stub"30
16

=class="stub"45
56


(2)0.8×(3.75-0.3)÷0.1,
=0.8×3.45÷0.1,
=2.76÷0.1,
=27.6;

(3)(class="stub"2
3
-class="stub"5
3
×class="stub"3
8
)÷class="stub"7
16

=(class="stub"2
3
-class="stub"5
8
)÷class="stub"7
16

=class="stub"1
24
÷class="stub"7
16

=class="stub"2
21


(4)class="stub"17
19
÷(class="stub"1
4
+class="stub"2
7
×class="stub"7
8
),
=class="stub"17
19
÷(class="stub"1
4
+class="stub"1
4
),
=class="stub"17
19
÷class="stub"1
2

=class="stub"34
19

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