혼합계산 : 레벨2
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혼합계산: 레벨219
1
1+9X(5+8)
=
118
2
5-(4/2)+4
=
7
3
5+(8X3)X7
=
173
4
5+(6-4)X4
=
13
5
(4/4)+4X4
=
17
6
5X(9-5)+4
=
24
7
5+(7-2)+5
=
15
8
(6X3)+2-8
=
12
9
3X3+(4+9)
=
22
10
4-1+(4X6)
=
27
11
(9-1)-4+6
=
10
12
(8/4)/2+5
=
6
13
(2+2)-8/4
=
2
14
6+(5X7)+7
=
48
15
(4+1)-3+5
=
7