혼합계산 : 레벨2
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혼합계산: 레벨231
1
3X(1X9)-5
=
22
2
(8X1)X2X1
=
16
3
(9+1)+6+7
=
23
4
8X5+(3X4)
=
52
5
8-(5-4)-5
=
2
6
1+(5+9)X6
=
85
7
7-(9+3)+6
=
1
8
(3+9)-3/3
=
11
9
9+2-(2X1)
=
9
10
(4X9)+6+1
=
43
11
9-(5-1)-4
=
1
12
5/5X(8-2)
=
6
13
2+6-(6-3)
=
5
14
(9-3)+4/1
=
10
15
5X1X(9X3)
=
135