cho 3 diem a, b, c co:

ab=3 cm, ac=7cm, bc=x cm

x co gia tri bang bao nhieu de co mot diem nam giua 2 diem con lai

Does your class have fourth students?

1,2 tập hợp con

he's a littlebit........ he likes to talk a lot

give the correct form of verb at the simple tense and the continuous tense

1.sit down! a strange dog....(run) to you

hay nhap vai nguoi con truong cua au co va ke lai nguon goc cua minh

1.does phong's school have forty classrooms

doan van sau day co 10 loi sai, em hay gach chan cac loi sai ay

ours country is small and betiful. it has fur season in a year. they arespring,summer,autumn and winter. it is warm on spring, hot in summer cool in autumn and cold in winter. when a weather is warm, we often playing volleyball, tennis or go fishing. when it is hot, we often go camping or go swimming. when it cool we often play footballs or go jogging. when the weather is cold, we often play basketball, skip or play video game. we favourite season is autumn because th weathet in autumn is not very cold and not very hot. the weather is cool so it is very good with our heath