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428=22.107
422=2.211
115=5.23
180=22.32.5
160=25.5
190=2.5.9
250=2.53
350=2.52.7
324=22.34
364=22.7.13
270=2.33.5
290=2.5.29
120=23.3.5
150=2.3.52
160=25.5
\(428=2^2\cdot107\)
\(422=2\cdot211\)
\(115=5\cdot23\)
\(180=2^2\cdot3^2\cdot5\)
\(160=2^5\cdot5\)
\(190=2\cdot5\cdot19\)
\(250=2\cdot5^3\)
\(350=2\cdot5^2\cdot7\)
\(324=2^2\cdot3^4\)
\(364=2^2\cdot7\cdot13\)
\(270=3^3\cdot2\cdot5\)
\(290=2\cdot5\cdot29\)
\(120=2^3\cdot3\cdot5\)
\(150=5^2\cdot2\cdot3\)
\(160=2^5\cdot5\)
Câu 5)
Cho đi là nhận lại. Hãy mang những điều tốt đẹp đến với mọi người xung quanh chứ đừng ích kỉ, hẹp hòi
Câu 6)
A - 2 B - 1
To celebrate the HCM Communist Youth Union's Foundation Day, our school Sports Club recently played a friendly match with Nguyen Khuyen School’s Football Team. The match was held on March 24th at 3:00 pm on the Hoa Lu stadium. It was a nice day. In the rst half, our tearn played pretty well. They tried to keep the ball away from the goal and as near to our rival’s as possible. By a combination of passing and dribbling, the oppcnenis gave a shot into our goal. Fortunately, our goalie could catch the ball. All the stands seemed to be exploded with merry and exciting shouts. And all the schoolboys and girls jumped up and down cheering. In the second half, both teams played beautifully and skilfully and tried to score the goal, but no-one succeeded. Finally it was a draw. When the game was over, all of us were happy to have a fair game. I think all the schools in the area should hold such a friendly game to tie up and promote the friendship and solidarity together.
mk nghèo SP nên k cho mk nha:
The football match between Vietnam and Saudi Arabia made me see that the members of the VN team need to work harder so that instead of losing 1-3, we have to win 3-0.
Dịch: Trận bóng đá giữa Việt Nam và Ả Rập Xê Út khiến tôi thấy những thành viên trong đội VN cần cố gắng hơn nữa để thay vì thua vì 1-3, chúng ta phải thắng 3-0.
Câu 3:
Gọi số học sinh nữ và số học sinh nam lần lượt là a,b
Tổng số điểm là 291 nên 7,8a+7,5b=291
Có 38 hs nên a+b=38
Do đó, ta có hệ:
a+b=38 và 7,8a+7,5b=291
=>a=20 và b=18
Vậy: Có 20 nữ
4:
Diện tích phòng là 6*9=54m2
Số viên gạch cần dùng là:
540000:60^2=150 viên
số thùng gạch cần dùng là;
150:4=37,5 thùng
1. The cake was put on the red table yesterday.
2. This hat was made for his girlfriend last Monday.
3. A lot of friends were had in Ho Chi Minh City 3 years ago.
4. He was taken to see Tri Nguyen aquarium by his uncle last week.
C tick cho e vs nhek! (E lớp 6 ak; vì cái này e hc ở Trung tâm rồi nên e giúp c nhek ak)
Thanks bn!