혼합계산 : 레벨2
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혼합계산: 레벨219
1
9-1X(2+1)
=
6
2
5X7-(5-4)
=
34
3
3X(6+3)X1
=
27
4
5X1X(5X8)
=
200
5
5X(5+3)/2
=
20
6
1+7+(9/1)
=
17
7
(9/1)X4-1
=
35
8
7X5/(1X1)
=
35
9
2/(1+1)X9
=
9
10
(4X8)+6-4
=
34
11
9X(5X4)/4
=
45
12
(7X5)/5X2
=
14
13
(5+1)-6+4
=
4
14
(6-4)X5X3
=
30
15
(8+5)X4-7
=
45