GWD 10-24

[best555tw]

If w and c are integers, is w > 0?
(1) w + c > 50
(2) c > 48

答案c

but I think
w>50-c
c>48
C maybe 49
so w>0
but if C=55
w>-5

where is my mistake?

[汪汪北鼻]

你沒錯，是你的答案貼錯了 這題是E吧

No.10
M: ECEDC, ACDBD, DBBCA, EBBCD, CEDEA, ECBEA, DDEDC, DB
V: CEAAB, DAACD, CADCE, DBCAD, AADEA, CDBCC, CDECD, DBDCB, B

[zhangone]

If w and c are integers, is w > 0?
(1) w + c > 50
(2) c > 48

答案c

but I think
w>50-c
c>48
C maybe 49
so w>0
but if C=55
w>-5

where is my mistake?

似乎是這樣沒錯