혼합계산 : 레벨2
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혼합계산: 레벨213
1
6X(1+9)/4
=
15
2
4X(5+4)X2
=
72
3
5X(1X4)X2
=
40
4
4X(3X9)-4
=
104
5
(9+3)X9X7
=
756
6
(5+1)X3X1
=
18
7
6X1+(9+1)
=
16
8
(2+9)-5-2
=
4
9
7X(4X2)X7
=
392
10
2/(3X4)X6
=
1
11
4-2+(2X5)
=
12
12
(7X5)+1+1
=
37
13
4+4-(9-4)
=
3
14
3X8-(4+3)
=
17
15
7+1+(7+4)
=
19