℉ =
℃ * 1.800000
+ 32
℉ =
49 * 1.800000
+ 32
℉ =
88.20000
+ 32
℉ =
120.2000
Удачи в жизни!
19*21=(20-1)(20+1)=20²-1²=400-1=399
28*32=(30-2)(30+2)=30²-2²=900-4=896
109*111=(110-1)(110+1)=110²-1²=12100-1=12099
1,5*1,7=(1,6-0,1)(1,6+0,1)=1,6²-0,1²=2,56-0,01=1,55
..........................
(2^(2/3) *а^(2/3) *а^(1/2) *b^(1/2))/(a*b^(1/3)*2^(1/2) = 2^(1/6) *а^(1/6)*b^(1/6)= √2аb - здесь корень шестой степени