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혼합계산 : 레벨2

1
(4+1)+8+1
=
14
2
5+(4+9)X2
=
31
3
3+9-(4X2)
=
4
4
(3X1)X7X5
=
105
5
6X5/(1+9)
=
3
6
9+(7/1)/7
=
10
7
5X(4/4)+2
=
7
8
3X(2+3)+4
=
19
9
8-2X(4-2)
=
4
10
(6X5)-8+9
=
31
11
7X(8-5)X3
=
63
12
2-6+(9-1)
=
4
13
3+2X(6+6)
=
27
14
9+(3+6)+1
=
19
15
(3+4)-2-3
=
2