Bài 4: Tìm x: X x 4/7 = 8/3 b. 2/5 : x = 1/3 c.x : 7/11 = 22 *, Tìm y ? 8/(7 ) - y x 2/(3 ) = b. y x 4/6 + = 7/8 c. y x 2/3 + 5/4= 20/14.

giúp mik bài trong hình với mọi người

vẽ mầm ik nl: hastag #hoidap247 là gì vậy các mod và các admin

Bài 3: Điền số. a) 700 cm2 = ... dm2 b, 4 dm2 = ... m2 2 cm2 = ... m2 c) 6m2 9dm2 = ... m2 3300 dm2 = ... m2 80000 cm2 = ... m2 900 dm2 = ... m2 1cm2 = ... dm2 80000 cm2 = ... m2

câu c,cho x+y+z=0.cmr:x ³+y ³+z ³=xyz

Exercise 6: Put the verbs in brackets into the past simple or the present perfect 1.A: __________ (you/ ever/ meet) anyone famous? B: Yes, last summer I __________ (sit) next to Brad Pit on a plane to LA. 2.A: How long ago __________ (you/ start) painting? B: Ten years ago. I __________(recently/ complete) a painting that the National Gallery __________ (ask) me to do a year ago. 3. A: Last night, I __________(see) the latest James Bond film. B: Oh, I__________(already/ see) it twice. 4. A: Do you know that Mrs Janet __________(work) here for sixteen years? B: I thought she__________(start) working here ten years ago. 5. I (invite) __________them to my birthday party yesterday, however, they (not come) _________. 6. My brother (begin) __________ looking for a job in January. 7. Timson (make) __________13 films and I think her latest is the best. 8. She (be) ____________ extremely quiet since her husband died. 9. Jane (leave)____________ just a few minutes ago.

Bài 1 : Viết số thích hợp vào ô trống: 7km 47 m = km 46dm=…. m…dm 29m 34 cm = cm 1372 cm = ….m….cm 1 cm 3mm = mm 4037m = …km…m Bài 2: a. 3 4/5 + 2 3/6 b. 3 4/5 - 2 3/5 c. 93/100 - ( 13/100 + 17/100) d. 7/(8 ) : 2 e. 4 x 3/11

Giúp mik câu 3 vs ạ cần gấp hứa cho ctljn

EM cần anh chị giải dùm nhanh nhất với ạ ,em cảm ơn !!!

Tính nhanh A=2/1.3+2/3.5+...+2/99.101