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1)Calculeaza 65+56-56; 14:6; 8:3; 8:5; 8:6; 8:7; 8:9; 9:2; 9:4; 9:5; 9:6; 9:7; 9:8; 10:3; 10:4; 10:5; 8:11; 8:12; 8:13; 2)Cate muchii are un patrat 3)Cate muchii are un triunghi 4)Cate grade are un dreptunghi Compara fractiile: 3/4 si 5/10; 2/5 si 1/5; 3/3 si 4/4; 5/5 si 6/6; 8,8 si 5,10 9,5 si 3,5 ofer coroana

Răspuns :

65+56-56=65 ; 14:6=2.33 ; 8:3=2.66 ; 8:5=1.6 ; 8:6=1.33 ; 8:7=1.14 ; 8:9=0.88 ; 9:2=4.5 ; 9:4=2.25 ; 9:5=1.8 ; 9:6=1.5 ; 9:7=1.28 ;9:8=1,125 ; 10:3=3.33 ;10:4=2.5 ;10:5=2 ; 8:11=0.72 ;8:12=0,66 ;8:13=0.61. , are 12 muchii,are 6 muchii,90 de grade , la fractii: 5/10> ;2/5> ;3/3=4/4 ; 6/6=5/5 ;8,8> ; 3,5=9,5