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Exercitiile 7,9,10,12 VA ROG MULT DE TOT, ACUM! DAU COROANA SI 40 DE PUNCTE!

Exercitiile 791012 VA ROG MULT DE TOT ACUM DAU COROANA SI 40 DE PUNCTE class=

Răspuns :

102533
7):208-70,75-(70,75-9,5)=76
9a) 7,73 =773/100 => Ex:443/100 + 330/100 =773/100
9b)11,2 = 112/10 => Ex: 115/10 - 3/10 = 112/10
10) 1,2+2,1 =3,3
12a) 43,1+3,9-1,2=45,8= (numar abc)/10 adica 458 /10 = (numar abc)/10
Adica numarul abc =458
12b)5,71+12,91-7,52=11,1 = (numar abcd)/100
Adica 1110/100 =(numar abcd)/100 => (numar abcd)=1110

DeliaDzt
7)70,75-9,50=61,25
70,75+61,25=132,00
208,00-132,00=70,00=70

9)7,773-5,43=2,30
7,73-3,49=4,24

11,2+14,3=25,5
11,2+34,8=46,0=46

10)3,3=1,2+2,1

12)43,1+3,4-1,2=45,3
abc=453

5,71+12,91-7,52=10,40
adcb=1040

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