혼합계산 : 레벨2
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혼합계산: 레벨229
1
(2+9)-7X1
=
4
2
(6X3)+2-7
=
13
3
5+1X(2+5)
=
12
4
(1+6)X3X3
=
63
5
4-3+(9-5)
=
5
6
(9+1)-3+1
=
8
7
(3+7)-8/2
=
6
8
6/2X(3X7)
=
63
9
9X5+(3/1)
=
48
10
(3+2)X9-6
=
39
11
1+(7X4)+4
=
33
12
2X5+(8+5)
=
23
13
(1+3)X4-3
=
13
14
1X(9-2)-1
=
6
15
9-(7+3)+5
=
4