a 25 Calculati: a 14-V15+1-51+|15 - 31; 14-15 11 - 12 -3 -11 -1 V12-31; b 0 - 2 + 3-V6|+|-- VG 3-+ d|v5-3 +16-51+ 2-1 va rog muuuult, va rog frumos, plss! am mare nevoie urgent, va roooog! dau 700 de puncte primit doar ajutati-ma va rog mult pls ​

A 25 Calculati A 14V1515115 31 1415 11 12 3 11 1 V1231 B 0 2 3V6 VG 3 Dv53 1651 21 Va Rog Muuuult Va Rog Frumos Plss Am Mare Nevoie Urgent Va Roooog Dau 700 De class=

Răspuns :

a) |4 - √15| + |- 5| + |√15 - 3| = 4 - √15 + 5 + √15 - 3 = 4 + 5 - 3 = 9 - 3 = 6

b) |- 2 1/3| + |3 - √6| + |4 - √6| = |- 7/3| + 3 - √6 + 4 - √6 = 7/3 + 3 - √6 + 4 - √6 = 7/3 + 7 - 2√6 = 28/3 - 26

c) |√11 - √12| + |3 - √11| - |√12 - 3| = 2√3 - 3 - 2√3 + 3 = - 3 + 3 = 0

d) |√5 - √2| + |6 - √5| + |√2 - 1| = √5 - √2 + 6 -√5 + √2 - 1 = 6 - 1 = 5