혼합계산 : 레벨2
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혼합계산: 레벨210
1
(2X9)/4X4
=
18
2
8X6X(6-2)
=
192
3
2/7X(2X7)
=
4
4
(3X3)X7-5
=
58
5
2+9/(6/2)
=
5
6
9-1+(7+3)
=
18
7
2-5+(4+6)
=
7
8
(4X3)+5+5
=
22
9
3X9X(9-3)
=
162
10
(2-1)+6+1
=
8
11
8X(1X9)X4
=
288
12
7-(9/3)/1
=
4
13
(6+3)X3-3
=
24
14
1+(5+9)-4
=
11
15
(5-4)X7X7
=
49