혼합계산 : 레벨2
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혼합계산: 레벨215
1
(5X1)/1X5
=
25
2
(9-4)+3-4
=
4
3
4/(8/8)-3
=
1
4
(7/7)X3+6
=
9
5
(1+5)+5-7
=
4
6
(9-5)X5X9
=
180
7
1X6X(6/1)
=
36
8
9-4X(2/2)
=
5
9
4+(5+1)/6
=
5
10
(6+4)-8+5
=
7
11
8-5X(1/1)
=
3
12
5-(1X1)X3
=
2
13
6/(4+3)X7
=
6
14
9X5X(7X3)
=
945
15
7+(9-5)-7
=
4