Question

va rooggg am nevoie urgettt
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Answer 1

Răspuns:

Explicație pas cu pas:

a) (10/100)·450+(13/100)·2500-(75/100)·24= (10·450)/100+(13·2500)/100-(75·24)/100=45+325-18=370-18=352

b) (78/100)·4800+(22/100)·350=(78·4800)/100+(22·350)/100= =3744+77=3821

c) (12/100)·650+(125/100)·28-(30/100)·40= (12·650)/100+ (125·28)/100-(30·40)/100=78+35-12=113-12=101