ơ棩ϰ
ڶ Ԫɱ
ϰ
ϰһ
Ҫ϶ָЩĿгɱĿһɱܾ߱һϵijɱĿ
⣺
ʷ Ŀ ɱ δ 䶯 ̶ û ػ ɱ ɱ ɱ ɱ ɱ ɱ ɳɱ ÿһIJϳɱΪ9 Ԫ Ŀǰн3 000ԪĹ ÿΪ500Ԫ 750ԪĹ ڹͬĹҪ֧ 930Ԫ ϰ
ҪݴȷƷӦͣ
⣺
=150 000Ԫ
ɱ=105 000+15 000=120 000Ԫ
볬ɱ30 000ԪɼƷӦͣ
ϰ
1.ٶaÿ35ˣbÿ50ˣcÿ80ˣÿλÿ͵ĵλɱǶ
⣺
λɱԪ/ˣ a 35 2 857 b 50 2 000 c 80 1 250 2.ٶι˾Ԥ8·1 500λμߣҹҪ18ܿͻÿλÿ͵ĵλɱǶٿ⣨1еĵλɱԤ8·ݵijɱ
⣺
100 000181 500=1 200Ԫ/ˣ
ԤƵֱгɱԤ⡣
ϰ
Ҫ1ƥҵְܺӦĵͳɱ
ҵְ ͳɱ ƷװߵĹʱ䣨λСʱ ԣ о뿪 ערȨĿ Ӫ ڡӹ桱ʱ䣨λӣ ˻ Ʒƿ Ʒҩƿʱ䣨λСʱ ۺ ˿ѯĵ绰 Ҫ2϶ҩҵְܸһɱ
ԣ
ϰ塢ˡĿԡ
ϰ
1.2-13
Ҫ1øߵ͵㷨еİ䶯ɱԷֽ⡣
:
Ҫ2ûعֱ߷еİ䶯ɱԷֽ⡣
⣺
· ҵx 䶯ãyԪ x2 y2 xy