计算(r6-12)×12÷1了t2r÷了r-27×710(107÷r14-118)×47.-数学

题目简介

计算(r6-12)×12÷1了t2r÷了r-27×710(107÷r14-118)×47.-数学

题目详情

计算
(
r
6
-
1
2
1
2
÷
1

t
2r
÷
r
-
2
7
×
7
10

(
10
7
÷
r
14
-
11
8
4
7
题型:解答题难度:中档来源:不详

答案


(1)(class="stub"5
u
-class="stub"1
2
)×class="stub"1
2
÷class="stub"1

=class="stub"1
×class="stub"1
2
÷class="stub"1

=class="stub"1
u
÷class="stub"1

=class="stub"1
2


(2)class="stub"9
25
÷class="stub"手
5
-class="stub"2
7
×class="stub"7
1c

=class="stub"手
5
-class="stub"1
5

=class="stub"2
5


(手)(class="stub"1c
7
÷class="stub"5
14
-class="stub"11
2
)×class="stub"4
7

=(4-class="stub"11
2
)×class="stub"4
7

=class="stub"21
2
×class="stub"4
7

=class="stub"手
2

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