혼합계산 : 레벨2
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혼합계산: 레벨257
1
7+5+(1X7)
=
19
2
4-(5-4)X3
=
1
3
1+6+(7X7)
=
56
4
9+6X(4+9)
=
87
5
(5/5)/7X7
=
1
6
(5X5)-4X3
=
13
7
(9/3)X6/9
=
2
8
(8+5)+4X5
=
33
9
9-(1X5)+4
=
8
10
(3X5)-9X1
=
6
11
8X5+(2X4)
=
48
12
5X(7-5)+6
=
16
13
(1+8)+6+2
=
17
14
(1X9)+7+2
=
18
15
6+(9+4)X3
=
45