혼합계산 : 레벨2
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혼합계산: 레벨213
1
(5-3)X5-1
=
9
2
2X(4-1)+5
=
11
3
(6+4)-6-3
=
1
4
8/2X(9-3)
=
24
5
(9X2)+4-8
=
14
6
(8X7)-2/2
=
55
7
9X(6-3)+1
=
28
8
7-(3-1)X2
=
3
9
5+6+(6/2)
=
14
10
(7X7)+3-3
=
49
11
3X9+(7X3)
=
48
12
(1X4)/3X9
=
12
13
8X(3+1)+3
=
35
14
3-1+(9+7)
=
18
15
2+(3X3)X9
=
83