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Ma ajutati va rog ex4.DAU COROANA

Ma Ajutati Va Rog Ex4DAU COROANA class=

Răspuns :

a) 1,44+0,16:0,008=1,44+16/100:8/1000=1,44+16/100×1000/8=1,44+20=21,44
b) 0,2:(6,3-351/100:27/10)=2/10:(6,3-351/100×10/27)=2/10:(6,3-13/10)=2/10:(6,3-1,3)=2/10:5=2/10×1/5=1/25=0,04
c) 91-8,9×9,5=91-84,55=6,45
d) 5,5×10,1=55,55