條數點計~~~

[size=5]有兩對母女，到餐廳食午餐，每人各叫一個 70 元的套餐，付賬時卻只付 210 元，為什麼？( 不計加一及服務費用 )[/size]
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[size=4]兩對母女是袓母，母親和女兒三人，所她們只是付三個餐的錢
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真係估唔到，都ｏＫ喎

bingo...haha

同父異母的兒女,只得三人?

咁早出答案 我哋咪唔使諗

i see

外婆 ,妈妈,女儿

有3個人~=210