Ответ:
"/" это дробь
в)1/12×3 и 1/18×2= 3/36 и 2/36
г)4/9×4 и 7/12×3= 16/36 и 21/36
д)1/21×5 и 3/5×21= 5/105 и 63/105
е)1/24×3 и 1/36×2= 3/72 и 2/72
ж)7/18 и 5/6×3= 7/18 и 15/18
з)2/15×4 и 11/12×5= 8/60 и 55/60
и) 3/10×4 , 3/8×5 и 3/4×10= 12/40 , 15/40 и 30/40
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Ответ:
"/" это дробь
в)1/12×3 и 1/18×2= 3/36 и 2/36
г)4/9×4 и 7/12×3= 16/36 и 21/36
д)1/21×5 и 3/5×21= 5/105 и 63/105
е)1/24×3 и 1/36×2= 3/72 и 2/72
ж)7/18 и 5/6×3= 7/18 и 15/18
з)2/15×4 и 11/12×5= 8/60 и 55/60
и) 3/10×4 , 3/8×5 и 3/4×10= 12/40 , 15/40 и 30/40