Odpowiedź:
d) (1¼ - ½)x(⅖ : 3/25)= (5/4 - 2/4) x (⅖ x 25/3)= ¾ x (2 x 5/3)= ¾ x 10/3 = 10/4 = 2 2/4= 2½
e) 2/7 + 13/20 : (⅗:⅜)= 2/7 + 13/20 : (⅗ x 8/3) = 2/7 + 13/20 : 8/5 = 2/7 + 13/20 x 5/8 = 2/7 + 13/32 = 64/224 + 91/224 = 175/224
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Odpowiedź:
d) (1¼ - ½)x(⅖ : 3/25)= (5/4 - 2/4) x (⅖ x 25/3)= ¾ x (2 x 5/3)= ¾ x 10/3 = 10/4 = 2 2/4= 2½
e) 2/7 + 13/20 : (⅗:⅜)= 2/7 + 13/20 : (⅗ x 8/3) = 2/7 + 13/20 : 8/5 = 2/7 + 13/20 x 5/8 = 2/7 + 13/32 = 64/224 + 91/224 = 175/224