혼합계산 : 레벨2
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혼합계산: 레벨241
1
(1X7)-5-1
=
1
2
4-9+(7X4)
=
23
3
5-3/(3/1)
=
4
4
(8X1)+6X8
=
56
5
6X5-(3X4)
=
18
6
7X4X(1+3)
=
112
7
(7+5)X1/1
=
12
8
4X4-(9+2)
=
5
9
9+9+(4+9)
=
31
10
(5X4)-9/3
=
17
11
(9X1)X5X7
=
315
12
2+2+(4+8)
=
16
13
(7X6)X4X1
=
168
14
8X5X(7-6)
=
40
15
3+3+(5-4)
=
7