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Ralukanadia1977
a fost răspuns

Transcrie,verifica,apoi scrie Asau F
Corecteaza rezultatele false!
(27:3)-(12:3)=(27+12):3
(40×10)+(30×10)=(40+30)×10
(300:10)-(200:10)=80
(6000:10)+(4000:10)=900 rapid va roogggggggggggggggg

Răspuns :

5=13 F
700=700 A
10=80 F
1000=900 F
a) 9-4=39:3   
5=13 - F
b) 400+300= 70×10
700=700 - A
c) 30-20=80
10=80 - F
d) 600+400=900
1000=900 - F

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