3,25²+6,5*1,75+1,75² _________________=? 6,33²-6,33*2,66+1,33²
3,25*3,25=10,5625 6,5*1,75=11,375 1,75*1,75=3,0625 10,5625+11,375+3,0625=25 6,33*6,33=40,0689 6,33*2,66=16,8378 1,33*1,33=1,7689 40,0689+16,8378+1,7689=58,6756 25/58,6756
Спасибочки
нез