Správné: 2,10+1,07=3,17≐3,20, 1,50+1,57=3,07≐3,00, 2,90+0,07=2,97≐3,00, 2,11+1,10=3,21≐3,20, 0,03+3,30=3,33≐3,30, 1,03+2,03=3,06≐3,10, 6,95-3,30=3,65≐3,70, Nesprávné: 3,20+0,70=3,90≐3,00, 0,45+3=3,45≐3,40, 1,05+3,64=3,69≐3,60, 3,46-0=3,46=3,40, 1,40+2,07=3,47≐3,30, 1,25+2,25=3,50≐3,40, 5,00-1,72=3,28≐3,20,

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