혼합계산 : 레벨2
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혼합계산: 레벨242
1
(2+8)X1-4
=
6
2
3X(2X8)+6
=
54
3
1+(6+4)-4
=
7
4
(5+2)+2X1
=
9
5
4X(1+9)X2
=
80
6
(8/2)X5+1
=
21
7
1X(4X5)X9
=
180
8
5X(5X7)+5
=
180
9
3+(5+4)-7
=
5
10
(4/2)/1/1
=
2
11
(9/3)X9-3
=
24
12
(8X2)+1-2
=
15
13
(2X5)/1+3
=
13
14
8+3+(9+8)
=
28
15
(6X7)X2X5
=
420