Question

(20 Баллов) решите пожалуйста 222,223

Answer 1

222
а)
$0.05 {}^{2} times 6 = 0.05 times 0.05 times 6 = \ = 0.0025 times 6 = 0.015$
б)
$12.3 times 0.1 {}^{3} = 12.3 times 0.1 times 0.1 times \ times 0.1 = 12.3 times 0.001 = 0.0123 :$
223.
а)
$7.8 times 2.03 + (2 - 0.63) times 10.4 = \ =30.082 \ 1) : 7.8 times 2.03 = 15.834 \ 2) : 2 - 0.63 = 1.37 \ 3) : 10.4 times 1 . 37 = 14.248 \ 4) : 14.248 + 15.834 = 30.082$
б)
$21.18 + 13.2 times (7.2 - 3.19) - \ - 4.5 times 4.5 = 21.18 + 13.2 times \ times 4.01 - 20.25 = 21.18 + 52.932 - \ - 20.25 = 53.862 :$