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8. Efectuați operațiile:
a) 85.63+( 59,8-56,92)= b) 1270,803- ( 872,94+307 )= c) (1872.5-460,419) - ( 69.35-873.9)-
d) 9026-1 4831,78-(1028+704,62)]= e) 3365,79-[ (48,16+573)-( 2403-2072.96)]=​