hinhinmummy 寫道:
HEIHEI
你吾好嚇我wor
90-20-10
= 70-10
= 60
90-(20-10)
=90 - 10
= 80
應該係<過, 而吾係= wor...........
[quote]
heihei媽 寫道:
佢可以有條題目, 90 - 20- 10 < or < or = 90 - (20-10), 佢計都吾計下, 就寫=果種人黎架
佢答得唔啱咩???

heihei媽 寫道:
呵呵呵, 咁証明大意既唔止你個女一個!!!!!!
[quote]
hinhinmummy 寫道:
HEIHEI
你吾好嚇我wor
90-20-10
= 70-10
= 60
90-(20-10)
=90 - 10
= 80
應該係<過, 而吾係= wor...........
[quote]
heihei媽 寫道:
佢可以有條題目, 90 - 20- 10 < or < or = 90 - (20-10), 佢計都吾計下, 就寫=果種人黎架
佢答得唔啱咩???
多謝你安慰我..........