Question

Вычислите:
а)3цел.1/2+1цел.5/6
б)9цел.1/2+2цел.1/4
в)7-5цел.1/4
г)2/5×3/4
д)3/8÷1/2
е)5цел.1/4÷14​

Answer 1

а) 3 1/2 + 1 5/6 = 3 3/6 + 1 5/6 = 5 1/3

б) 9 1/2 + 2 1/4 = 9 2/4 + 2 1/4 = 11 3/4

в) 7 - 5 1/4 = 6 4/4 - 5 1/4 = 1 3/4

г) 2/5×3/4 = 3/10

д)3/8÷1/2 = 3/8 * 2 = 3/4

е) 5 1/4 : 14 = 21/4 * 1/14 = 3/8