혼합계산 : 레벨2
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혼합계산: 레벨214
1
4X1X(7-2)
=
20
2
4+(7-5)/1
=
6
3
(8X3)X4/8
=
12
4
(3+1)-4+9
=
9
5
4X1+(9-1)
=
12
6
3+(1+1)X3
=
9
7
9/3-(3/3)
=
2
8
(7+8)X2X3
=
90
9
8X1+(3/1)
=
11
10
2+(5+3)+6
=
16
11
9/(1+8)+8
=
9
12
2X(4/1)+5
=
13
13
4X(4X4)-1
=
63
14
(6+3)+7-7
=
9
15
8/(4-2)+3
=
7