혼합계산 : 레벨2
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혼합계산: 레벨211
1
3+2X(5X1)
=
13
2
8+6X(3+5)
=
56
3
(4+7)-2-1
=
8
4
(2+9)-5/1
=
6
5
3X9X(2X3)
=
162
6
(4+8)X4X3
=
144
7
(8X1)-5+9
=
12
8
(2X5)+2-4
=
8
9
3+(5+6)+3
=
17
10
(8X6)-2X1
=
46
11
4X3X(9-5)
=
48
12
(3X2)+4-2
=
8
13
(4/1)X1+6
=
10
14
3X5+(1X2)
=
17
15
(7-6)X1+7
=
8