혼합계산 : 레벨2
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혼합계산: 레벨227
1
7+(7+2)X4
=
43
2
4-1+(8-4)
=
7
3
5X(9X3)X1
=
135
4
(9/1)X4/9
=
4
5
(1+5)X5X2
=
60
6
(6X2)/2+6
=
12
7
(1+4)/5/1
=
1
8
(6-5)X4+8
=
12
9
7+4/(2/2)
=
11
10
5/4X(2+2)
=
5
11
(7+7)/1-9
=
5
12
4X(8+9)+4
=
72
13
(4/1)/4X7
=
7
14
5+(8X7)X5
=
285
15
(1X3)+3/3
=
4