Oblicz wartośc wyrażenia ;
1 2
( - razy 2,4) + (4,8 : 2 - )
3 5
PROSZE POMUSZCIE :D
(1/3 * 2,4) + (4,8 : 2 2/5) = = (1/3 * 24/10) + (48/10 : 12/5) = = 8/10 + 48/10 * 5/12 = = 8/10 + 2 = = 0,8 + 2 = = 2,8
rozumiem ze ten przyklad wyglada tak:
(⅓·2,4)+ (4,8 : 2 - ⅖)=(⅓ · ²⁴/₁₀ )+(2,4-⅖)= ⅘ +(2,4-0,4) = ⅘ + 2 = 2⅘ =2,8
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(1/3 * 2,4) + (4,8 : 2 2/5) =
= (1/3 * 24/10) + (48/10 : 12/5) =
= 8/10 + 48/10 * 5/12 =
= 8/10 + 2 =
= 0,8 + 2 =
= 2,8
rozumiem ze ten przyklad wyglada tak:
(⅓·2,4)+ (4,8 : 2 - ⅖)=(⅓ · ²⁴/₁₀ )+(2,4-⅖)= ⅘ +(2,4-0,4) = ⅘ + 2 = 2⅘ =2,8