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Alina5552
a fost răspuns

13.
b)1,2 la puterea 3+2,5•(16+31•2,7);
c)[29•0,5-3,2•(16-14,8)]:2;
Dau coroana!!!!

Răspuns :

Renatemambouko
13.
b) 1,2³+2,5•(16+31•2,7)=1,728+2,5•(16+83,7)=1,728+2,5•99,7=1,728+249,25= =250,978

c)[29•0,5-3,2•(16-14,8)]:2=(14,5-3,2•1,2):2=(14,5-3,84):2=10,66:2=5,33




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