1) 6,721+х+2,808=(19,46-5,722) - 2,209 2) (7,48+х) -(2,495+1,726)=4,381+3,46-2,582
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1) 6,721+х+2,808=(19,46-5,722) - 2,209 9,529+x = 11,529x = 11,529-9,529x = 22) (7,48+х) -(2,495+1,726)=4,381+3,46-2,5827,48+x-4,221= 5,2593,259+x = 5,259x=5,259-3,259x = 2