mot hoc sinh cho rang luc ma hai ngon tay tac dung len lo xo giu cho lo xo ngan hon muc binh thuong la hai luc can bang. theo em phai bieu nhu vay co dung khong?vi sao?
bai nay lam sao vay may ban
1+2-3+4-5+6....-2015+2016
1 em mac vay + 2 em mac vay bang may em mac vay
nguoi a bo ra 50000 de mua ao . nguwowi b cung bo ra 50000 de mua ao . hai nguoi gom chung vao de mua . den cua hang , bac bao gia ao 97000. vay bac tra lai cho moi nguoi 1000 bac giu 1000. vay moi nguoi chi gop 49000. ma 49000+49000=98000+1000 bac dang du la 99000 nghin . hoi 1000 nua dau
\(\frac{64}{27}\)doi ra so ngu la gi vay.
AI NHANH MINH TICK CHO,THAT LA NHIEU LUON
X+2x=234 bang bao nhieu vay may ban
yeu la gi vay may ban
biet aabb la so chinh phuong vay a+b = may
tim ucln cua 24,72 la may vay