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Afla valoarea necunoscutelor. E) (i-406:2+4):3-108:9=132. F). J:7+25=[900-(300-48*5)*9]:9

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Renatemambouko
E) (i-406:2+4):3-108:9=132
(i-203+4):3-12=132
(i-199):3=132+12
(i-199):3=144
i-199=432
i=432+199=631

 F). J:7+25=[900-(300-48*5)*9]:9
J:7+25=[900-(300-240)*9]:9
J:7+25=[900-60*9]:9
J:7+25=(900-540):9
J:7+25=360:9
J:7=40-25
J:7=15
J=15*7
j=105



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