Răspuns:
Explicație pas cu pas:
(0,7-0,(3)+1,4-1 /2)·2,4² =
= (7/10 - ²⁾3/9 + 14/10 -⁹⁾1/2) ·(24/10)² =
= (21/10 - 15/18)·(12/5)² =
= (³⁾21/10 - ⁵⁾5/6)· 144/25 =
= (63-25)/30 · 144/25 =
= 38/30 · 144/25 = 19/15 · 144/25 = 19·48 / 125 = 912/125
[1/4+ (³⁾1/2 - ²⁾1/3):(1,23-1,22)]·0,01=
= [1/4 + 1/6 : 0,01]·0,01 =
= [1/4 + 1/6 ·100] : 100 =
= [³⁾1/4 + ⁴⁾50/3] : 100 =
= 203/12 :100 = 203/1200 = 0,1691(6)
#copaceibrainly
