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2017-09-25 19:46:37
Oblicz 2 3/8+1 1/6 4 1/4+2 2/3 1/2+1/3+1/4 3 1/4:1 1/3 2 3/4:4 2/5 3 3/4:4 1/5
Odpowiedź
jula98
2017-09-25 21:25:10

2 3/8+1 1/6 = 2 9/24 + 1 4/24 = 3 13/24 4 1/4+2 2/3 = 4 3/12 + 2 8/12 = 6 11/12 1/2+1/3+1/4 = 6/12 + 4/12 + 3/12 = 13/12 = 1 1/12 3 1/4:1 1/3 = 13/4 : 4/3 = 13/4 * 3/4 = 39/16 = 2 7/16 2 3/4:4 2/5 = 11/4 : 22/5 = 11/4 * 5/22 = 5/8 3 3/4:4 1/5 = 15/4 : 21/5 = 15/4 * 5/21 = 25/28 

anetuchaa
2017-09-25 21:26:25

2 3/8+1 1/6= 2 9/24+1 4/24= 3 13/24 4 1/4+2 2/3= 4 3/12+2 8/12= 6 11/12 1/2+1/3+1/4= 6/12+4/12+3/12= 13/12= 1 1/12 3 1/4:1 1/3= 13/4:4/3= 13/4x3/4= 39/16= 2 7/16 2 3/4:4 2/5= 11/4:22/5= 11/4x5/22= 55/88= 5/8 3 3/4:4 1/5= 15/4:21/5= 15/4x5/21= 75/84= 25/28 Pomogłam? :)

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