Напишите примеры сочетательное и распределительное.напишите )

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EveChan

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Распределительное свойство: а*(b+c)=a*b+a*c например: 2(3+4)=2*7=14=2*3+2*4=6+8=1269*27+31*27=27*(69+31)=27*100=2700 83*27+27*17=27*(83+17)=27*100=2700 сочетательное: a*(b*c)=(a*b)*cнапример: 2*(3*4)=2*12==(2*3)*4=6*4=245*(20*7)=(5*20)*7=100*7=70025*(4*897)=(25*4)*897=100*897=89702*(5*7)=(2*5)*7=10*7=70

NastenaNastena2005

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Our parrot kesha extraordinary! it was very interesting to watch. once, when kesha flew around the room, dad turned the music on your phone. parrot listened, then flew to the phone and started to tweet. like songs sings! and he still priscoli runs near the phone, as in a disco. else will tell the story. it was a year and a half ago. mom was sitting on the sofa, i - side by side. kesha came and sat mom on the shoulder. he loves mama whisper in your ear different words, just don't always understand what he's tweeting. it's so clear said, " kesha good boy! " my mom and i looked at each other, not believing his ears. i thought i thought. mom also heard. ever since kesha's a good boy! once i played with small toys from kinder surprise. kesha flew to me, long looked at, and then hooked beak helicopter and together they flew. i did not expect! in the air the helicopter kesha dropped. then he came back and started playing with it. then caught it, then push, then pull. now the helicopter is his favorite toy.от vladis8