혼합계산 : 레벨2
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혼합계산: 레벨237
1
3+(7-1)X3
=
21
2
(3+5)X3+3
=
27
3
5+4X(5+3)
=
37
4
(3X2)/6X5
=
5
5
7+3X(7+5)
=
43
6
(2+8)-2X2
=
6
7
(9+1)/1+4
=
14
8
5+(6-2)X9
=
41
9
5+(4X3)+3
=
20
10
(2+1)+3-5
=
1
11
(9-1)-2-1
=
5
12
5X(2X6)+9
=
69
13
2+(9-8)X7
=
9
14
(2X5)+5X5
=
35
15
6X(2+6)-2
=
46