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혼합계산 : 레벨2

1
5X(8+4)-7
=
53
2
(6/2)X2X5
=
30
3
8-1-(4+1)
=
2
4
(7X8)X8-1
=
447
5
(8+4)+8/1
=
20
6
5+(1+5)+3
=
14
7
(8-5)/1X1
=
3
8
(4X9)/2/3
=
6
9
4+7X(7+4)
=
81
10
5X(1X4)+7
=
27
11
(2+2)X9X1
=
36
12
(9+6)+2+3
=
20
13
6+9X(3-2)
=
15
14
(4X7)-2+3
=
29
15
7X(2+4)X8
=
336