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
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