Thùng2 bằng 6/5 thùng 3 cơ mà

Ngày 1 đào được số mét đất là :

42 x \(\frac{1}{3}\) = 14 ( m )

Số đất còn lại là :

42 - 14 = 28 ( m )

Ngày 2 đào được số mét đất là :

28 x \(\frac{4}{7}\) = 16

Ngày 3 đào được số mét đất là :

28 - 16 = 12 ( m )

ĐS : 12 m
 

a. MAl₂O₃ = 102 (g/mol)

%Al = (2.27)/102 .100% = 53% ( xấp xỉ = 52,94%)

%O = 100% - 53% = 47%

I want to introduce a modern music that has been of great interest to people in recent years. K-pop (Korean for "Korean pop", Hangul: 케이팝, also known as "Kayo" or "Gayo") is a genre of music originating in Korea characterized by many audiovisual elements . Many artists and groups have come from Korea and have become popular in many countries around the world. The popularity of K-pop is often considered to be part of the rise of the Korean Wave (Hallyu, 한류), the rise of the popularity of contemporary Korean culture in Asia. It belongs to the Korean nation. Hip-hop music • R & B • dance pop • Bubblegum pop • House • Electropop • rock and roll • dance-pop • EDM • hip hop • other genres Musical Instruments Singing • Rap • Guitar • Bass guitar • Drum kit • Synthesizer • Piano • Auto • Rotary table • Sampler • Keyboard • Drum machine. Originating from the culture of the 1990s to the end of the year in Korea. Has influenced Korea, Japan, China, Taiwan, Southeast Asia and India since the 2000s. Kpop does not stop there but it is also a big wave for the global population. Especially with young people today. It can be said that kpop is not only prominent in music but also has a high level of modern dance moves. Kpop will have a breakthrough in the future .

lớp 6 mà có hệ số ma sát rồi à ? Có thật không vậy ?

D - D - C - D - B - B -D - B - A - B - B - A - C - D - C

1. My mother is busy to cook...

2. Daddy, could you tell me how to run this...

3. My father used to be a teacher. He taught Chemistry at a local shool

4. You had better brush your teeth...
5. didn't ( you ) go