Hỏi đáp, lớp 7, môn Toán

PT

Phương Thuý Bùi (Hanpu:3)

20 tháng 10 2019 - olm

Bài 3 sbt trang 137

#Toán lớp 7

6

PN

_ Pé Nguyên's _

20 tháng 10 2019

Môn gì bạn

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BT

Bạch Tố Như

20 tháng 10 2019

Môn j ???

lớp mấy

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LK

Lê Kiều Trinh

20 tháng 10 2019 - olm

0.3x:10/3=6:15

#Toán lớp 7

2

NT

Nguyễn Thị Ngọc Ánh

20 tháng 10 2019

0,3X : 10/3 = 6/15 <=> 0,3X=3/25 <=> X=2/5 HOK TỐT

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DN

Dương Nhã Tịnh

20 tháng 10 2019

\(0,3x:\frac{10}{3}=\frac{6}{15}\)

\(\Leftrightarrow0,3x=\frac{3}{25}\)

\(\Leftrightarrow x=\frac{2}{5}\)

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PL

Phạm Lê Nam Bình

20 tháng 10 2019 - olm

Ba lớp 7A 7B 7C có 94 học sinh tham gia trồng cây. Mỗi học sinh lớp 7A trồng được 3 cây, Mỗi học sinh lớp 7B trồng được 4 cây,Mỗi học sinh lớp 7C trồng được 5 cây. Hỏi mỗi lớp có bao nhiêu học sinh. Biết rằng mỗi lớp trồng được số cây như nhau.HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE !!!HELP ME PLEASE...

Đọc tiếp

#Toán lớp 7

4

NH

Nguyễn Hải Đăng ( ɻɛɑm ʙáo cáo ) (....

4 tháng 6 2021

saiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

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NH

Nguyễn Hải Đăng ( ɻɛɑm ʙáo cáo ) (....

4 tháng 6 2021

ak nhầm

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PV

Phạm Vũ Phương Ngọc

20 tháng 10 2019 - olm

Tìm x ,y, z cho biết:

X/10=y/6=z/21 và 5x+y-2z

cácbạn giúp mình với ạ

#Toán lớp 7

4

TL

๖ۣۜƝƘ☆❖TྂRí❖TIêNྂᴾᴿᴼAK❖47シRồng lửa

20 tháng 10 2019

5x+y-2z bằng bao nhiu

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PV

Phạm Vũ Phương Ngọc

20 tháng 10 2019

Quên

5x+y-2z=28

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DY

Daily Yub

20 tháng 10 2019 - olm

Choose the best answer (A, B, C or D)1. Today, subjects like music and arts are put into the school _______ in VietNamA. so B. too C. either D. however2. My cousin - Hoa, is the same age _______ meA. as B. of C. to D. like3. For many people, a good knowledge of music and arts is regerded as a _______ for every studentA. need B. needs ...

Đọc tiếp

Choose the best answer (A, B, C or D)

1. Today, subjects like music and arts are put into the school _______ in VietNam

A. so B. too C. either D. however

2. My cousin - Hoa, is the same age _______ me

A. as B. of C. to D. like

3. For many people, a good knowledge of music and arts is regerded as a _______ for every student

A. need B. needs C. necessity D. necessary

4. This year's musical festival is not _______ it was last year

A. worse B. as good as C. as well as D. different from

5. Since the 1970, the festival in Glastonbury has taken _______ almost every year and has grown in size

A. time B. place C. note D. notice

6. The pupet shows present _______ themes of Vietnamese villages

A. city B. country C. rural D. urban

7. The brit school is the most famous _______ arts school in Birtain

A. perform B. performed C. performing D. performace

8. The villagers are _______ they were years ago. There is no change at all

A. as friendly as C. different from

B. as friend as D. not as friendly as

9. Dong ho paintings are made on _______ paper with beautiful _______ colours

A. tradition - nature C. traditional nature

B. trasition - natural D. traditional - natural

10. My village si not _______ it was ten years old

A. same as B. the same C. the same as D. the same as

#Toán lớp 7

0

LK

Lê Kiều Trinh

20 tháng 10 2019 - olm

-(0,7)² .(-5)²/(- 7/3)² .(3/2)⁴.(-1)⁵

#Toán lớp 7

0

Y

•ℌїếʉ↭Vũ↭Đứċ⁀ᶦᵈᵒᶫ

20 tháng 10 2019 - olm

Cho 13 số thực thoả mãn điều kiện:tổng của 6 số bất kì trong chúng nhỏ hơn tổng của 7 số còn lại .Chứng minh rằng tất cả các số đã cho đều dương

làm nhanh nhất tick nhiều nhất

#Toán lớp 7

0

T

四种草药 - TFBoys

20 tháng 10 2019 - olm

Cho tam giác ABC, pg AM của góc BAC (M thuộc BC). Vẽ MN//AB cắt AC tại N. Cm NAM=AMN

#Toán lớp 7

0

BB

Bangtan Bồtèo

20 tháng 10 2019 - olm

Tìm số nguyên x, y biết:

2xy - x - y = 2

#Toán lớp 7

4

T

tinviet

20 tháng 10 2019

số nguyên x,y ở ngay đầu bài rồi mà

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BB

Bangtan Bồtèo

20 tháng 10 2019

có nghĩa là tìm x và y thuộc tập hợp số nguyên, hỉu hông

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S

Sabofans

20 tháng 10 2019 - olm

Cho (a+3b-2)/c=(-a+b+3c)/a=(c-b+3a)/b

Tính P=(3+(a/b)).(3+(b/c)).(3+(c/a))

#Toán lớp 7

1

NL

Nguyễn Linh Chi

21 tháng 10 2019

Câu hỏi của Solyver - Toán lớp 7 - Học toán với OnlineMath

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