혼합계산 : 레벨2
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혼합계산: 레벨241
1
4+9X(7+1)
=
76
2
4+(8X1)X3
=
28
3
2+(4X1)-1
=
5
4
(9-6)+2X5
=
13
5
5+2X(5X7)
=
75
6
5X(2X5)+8
=
58
7
(6X1)+5/5
=
7
8
4+9X(9+3)
=
112
9
3X(9X5)/1
=
135
10
9/1+(3+3)
=
15
11
7+1+(8/4)
=
10
12
(5+5)X3+1
=
31
13
4+5X(5X2)
=
54
14
4+7+(2+4)
=
17
15
7-(4+5)+4
=
2