혼합계산 : 레벨2
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혼합계산: 레벨221
1
(2+1)X9-1
=
26
2
(7-5)X9X4
=
72
3
4X3+(7X2)
=
26
4
7-(6+1)+6
=
6
5
(6X8)+2+2
=
52
6
(1X9)+7X4
=
37
7
4/(2+6)X4
=
2
8
2X(8/4)X2
=
8
9
5X8-(4X8)
=
8
10
(5+9)+2+6
=
22
11
4/1+(1+8)
=
13
12
(2X2)X6/2
=
12
13
6X(6/2)/2
=
9
14
7-2+(2X3)
=
11
15
(6X5)+9X1
=
39