혼합계산 : 레벨2
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혼합계산: 레벨230
1
3X(5X1)/5
=
3
2
4+8/(4X1)
=
6
3
4X2X(7X8)
=
448
4
(2X5)+8-2
=
16
5
(2X5)X5-7
=
43
6
5X4-(6+7)
=
7
7
4X(2+3)/5
=
4
8
(6+1)+2+3
=
12
9
(9+5)+8-3
=
19
10
(5+4)-4+7
=
12
11
2+4X(3-2)
=
6
12
4-2X(2-1)
=
2
13
1X(7-6)+7
=
8
14
9+(4+6)-3
=
16
15
(5/1)+9X2
=
23