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Lihtsustamine

Lihtsustamine. Pearu, Mart, Alex, Kerth. Sulgude avamine. (u-5)(2u+1)=2u +u-10u-5 Kõigepealt korrutad esimeses sulus oleva esimese arvu teise sulu mõlema arvuga ja seejärel teed sama teisega. Jagamine. -(-u-3u ):u =-u+3u

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Lihtsustamine

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  1. Lihtsustamine Pearu, Mart, Alex, Kerth

  2. Sulgude avamine (u-5)(2u+1)=2u +u-10u-5 Kõigepealt korrutad esimeses sulus oleva esimese arvu teise sulu mõlema arvuga ja seejärel teed sama teisega.

  3. Jagamine -(-u-3u ):u=-u+3u Kõigepealt korrutad esimese arvu(u) selle arvuga millega sa jagad(u) u:u=1 ja siis teise arvu -(-3u ):u = +3u

  4. Ruudus sulu avamine -(3-u)=-9+6u-u Kõigepealt korrutad esimese arvu endaga (3*3=9) Siis korrutad sulus olevad arvud enda vahel ja korrutad 2-hega (3*-u*2=-6u). Ning ,siis korrutad teise arvu endaga (u*u=u )

  5. Tükkide kokkupanemine (u-5)(2u+1)-(u-3u):u-(3-u)= 2u+u-10u-5-u+3u-9+6u-u=u-15

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