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혼합계산 : 레벨2

1
(3X6)+4X1
=
22
2
(5X3)+9-1
=
23
3
(5X9)+7X5
=
80
4
(1+8)+1X9
=
18
5
5+(1X1)X1
=
6
6
7-(3/3)X3
=
4
7
3X7+(8-1)
=
28
8
2+2X(5/5)
=
4
9
(6-5)+5/5
=
2
10
9+(5X3)X7
=
114
11
(3-2)X3+5
=
8
12
(3+1)X2-5
=
3
13
4+(2-1)+7
=
12
14
7+4-(2/2)
=
10
15
(3X6)X4-4
=
68