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a fost răspuns

Calculati: a) (7,47-4,87)*10+11,5*2,1:0,3=
b) 5,2*(4,5:0,9+1,25)*1,4-(2,123+5,873)*4. Dau coroana!! Ambele subpuncte

Răspuns :

Slavitescudora
a) 2,6×10+24,15:0,3=26+2415/100×10/3=26+805/10=80,5
b) 26/5×(45/10×10/9+1,25)×7/5-7,996×4=26/5×(5+1,25)×7/5-31,984=26/5×625/100×7/5-31,984=1625/50×7/5-31,984=2275/50-31,984=45,5-31,984=13,516

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