Hình như thiếu dữ kiện pn ak

Mk chỉ tính đc CD=1/3AB thui

là10203225

mk nhé

Vì ta thấy 3 x 3 x 3 = 27 nên cạnh của hình lập phướng đó là 3 cm

Diện tích toàn phần của hình lập phương đó là :

3 x 3 x 6 = 54 (cm²)

Đáp số : 54 cm² 

Make correct sentences from the works and phrases given.

76.when/you/start/hobby?

=>When do you start your hobby ?

77.We/find/make/models/very interresrting/because/we/should/creative.

=>We find how to make models which is very interesting because we should be creative.

78.I/think/future/people/take up/more/outdoor activities.

=>I think in the future people will take up more outdoor activities.

79.My best friend/not/like/mountain climbing/because/he/afaid/heigh.

=>My bes friend doesn't like mountain climbing because he is afraid of heights.

80.My sister/enjoy/cook/and/make/new dishes/her own.

=>My sister enjoys cooking and making new dishes on her own.