혼합계산 : 레벨2
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혼합계산: 레벨221
1
(1X9)X2X3
=
54
2
3/1X(7X8)
=
168
3
2+(2/2)+4
=
7
4
6-5+(8+3)
=
12
5
(3X4)+4-4
=
12
6
(3+5)+7X5
=
43
7
2+(9/3)-2
=
3
8
(9-7)+4-5
=
1
9
5X6X(6X1)
=
180
10
9X(9+4)+4
=
121
11
(3X4)/2X6
=
36
12
(1+5)+9X2
=
24
13
3X4+(3-1)
=
14
14
4/4X(5+7)
=
12
15
3X2X(7+2)
=
54