혼합계산 : 레벨2
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혼합계산: 레벨245
1
(3+1)X4-2
=
14
2
7-(2X5)+4
=
1
3
3X5X(1+6)
=
105
4
5X6X(4X6)
=
720
5
4X(7+2)X5
=
180
6
(1+7)X9-1
=
71
7
2X3+(4/4)
=
7
8
(2X5)+5/1
=
15
9
8/8X(1+2)
=
3
10
9+6-(3X2)
=
9
11
1+(7+7)-2
=
13
12
4X2-(4+1)
=
3
13
(8+1)-8+3
=
4
14
9X8X(1+2)
=
216
15
5X9+(9+1)
=
55