혼합계산 : 레벨2
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혼합계산: 레벨237
1
7+3X(1+4)
=
22
2
4+(9X2)X6
=
112
3
(4+3)/4X4
=
7
4
(7+5)+2-6
=
8
5
(3+5)X9+2
=
74
6
(5X6)X5X3
=
450
7
3+1X(6/2)
=
6
8
(8X4)-9/1
=
23
9
3+(4X7)+1
=
32
10
7+2/(3-1)
=
8
11
(1X7)+4+1
=
12
12
(5X6)+1X9
=
39
13
(3+4)-2+8
=
13
14
3+7+(6-3)
=
13
15
1X(2+9)X3
=
33