递等式计算(能简算的简算)15÷59+16×889×34÷815817÷23+123×9176÷310-310÷629×0.375÷6713×34÷(34-512)-数学

题目简介

递等式计算(能简算的简算)15÷59+16×889×34÷815817÷23+123×9176÷310-310÷629×0.375÷6713×34÷(34-512)-数学

题目详情

递等式计算(能简算的简算)
15÷
5
9
+
1
6
×8
8
9
×
3
4
÷
8
15
8
17
÷23+
1
23
×
9
17
3
10
-
3
10
÷6
2
9
×0.375÷
6
7
1
3
×
3
4
÷(
3
4
-
5
12
题型:解答题难度:中档来源:不详

答案

(1)15÷class="stub"5
9
+class="stub"1
6
×8,
=27+1class="stub"1
3

=28class="stub"1
3


(2)class="stub"8
9
×class="stub"3
4
÷class="stub"8
15

=class="stub"2
3
÷class="stub"8
15

=1class="stub"1
4


(3)class="stub"8
17
÷23+class="stub"1
23
×class="stub"9
17

=(class="stub"8
17
+class="stub"9
17
)×class="stub"1
23

=1×class="stub"1
23

=class="stub"1
23


(4)6÷class="stub"3
10
-class="stub"3
10
÷6,
=20-0.05,
=19.95;

(5)class="stub"2
9
×
0.375÷class="stub"6
7

=class="stub"1
12
÷class="stub"6
7

=class="stub"7
72


(6)class="stub"1
3
×class="stub"3
4
÷(class="stub"3
4
-class="stub"5
12
),
=class="stub"1
3
×class="stub"3
4
÷class="stub"1
3

=class="stub"1
4
÷class="stub"1
3

=class="stub"3
4

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