7-sinf birhadlar

mavzu: «birhadlarni ko’paytirish » 7sinf algebra sirdaryo tumanidagi 11-umumta’lim maktabining matematika informatika fani o’qituvchisi risbekova tarjimalari xatoni toping! 1)5∙5∙5∙5=45 2)(-3)2=-3∙3=-9 3)71=1 4)(x2)3(x4)2=(x6)5=x30 5)2327=221 6)2327=410 7)23+27=210 8)230:210=23 9)(2x)3=2x3 10)(x3)2=x9 11)00=1 54 9 7 ma’noga ega emas 210 210 136 220 8x3 x6 x14 birhadlarga bo’la oladimi? x2x -1,7xu2 x+u -s x2u-3u 15/x5 0,7 2(x+u)2 x20 0 birhadlarning darajasini aniqlang va koeffisientini ayting : -8x7 xs4u5 67 -4xu 5x90,5u2 u k=-4 n=2 k=2,5 n=11 k=1 n=1 k=1 n=10 k=67 n=0 k=-8 n=7 c a b v-? v=abc v1-? bo’yi-3a eni-2mb balandligi -4mc (3a)∙(2mb)∙(4mc)=(3∙2∙4)∙(ammbc)= =24am2bc=24abcm2. yechish: birhadni standart ko’rinishga kletiring : (5x2b3y)∙(8xb4). (5x2b3y)∙(8xb4)=(5∙8)∙(x2x)∙(b3b4)∙y=40x3...

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