혼합계산 : 레벨2
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혼합계산: 레벨230
1
4-1+(1+4)
=
8
2
5+4+(9-6)
=
12
3
(5X1)X5/1
=
25
4
9-(1X6)/3
=
7
5
7+3-(2X2)
=
6
6
3X(2X1)+4
=
10
7
(1+6)+3+1
=
11
8
9X5+(5-1)
=
49
9
2+(3+7)+5
=
17
10
1X8X(1X1)
=
8
11
3-(2+5)+6
=
2
12
(7-6)/1X8
=
8
13
1-(7-6)+3
=
3
14
(4X9)-8+5
=
33
15
7+8-(2X4)
=
7