Question

[thang truong]

co 2 to trong cay to 1 trong nhieu hon to 2 la 50 cay neu to 1 trong bot 10 cay va to 2 trong them 10 cay thi so cay trong duoc cua to 1 =7/4 so cay cua to 2 hoi luc dau trong may cay

co 2 to trong cay to 1 trong nhieu hon to 2 la 50 cay neu to 1 trong bot 10 cay va to 2 trong them 10 cay thi so cay trong duoc cua to 1 =7/4 so cay cua to 2 hoi luc dau trong may cay

co 2 to trong cay to 1 trong nhieu hon to 2 la 50 cay neu to 1 trong bot 10 cay va to 2 trong them 10 cay thi so cay trong duoc cua to 1 =7/4 so cay cua to 2 hoi luc dau trong may cay

tra loi giup minh di cam on cac ban nhieu

Answer 1

[King of kings]

goi so cay to 1 trong duoc la a

goi so cay to 2 trong duoc la b

ta co a-b=50

ta co hieu cua so cay to 1 trong duoc va to 2 trong duoc sau khi them bot la : (a-10)-(b+10)

a-10-b-10

a-b-20

ma a-b=50

=>a-b-20=50-20=30

ve so do:

mot phan chiem so cay la :30/(7-4)=10

so cay to 1 trong duoc la : 10*7+10=80

so cay to 2 trong duoc la : 80-50=30

Answer 2

[thang truong]

cam on nhieu toi ngu ngon