Question

Помогите мне с 2 задачом

Answer 1

Ответ:

Объяснение:

2)  1 5/7-4 3/13:1 19/26 = -46/63.

1)  4 3/13:1 19/26=55/13:45/26=55/13*26/45=22/9=2 4/9;

2)  1 5/7 - 2 4/9= -(2 4/9-1 5/7) = -(2 28/63-1 45/63)=-1 (28-45)/63=

=-(63+28-45)/63=-46/63.

4)  47/48:3 13/27 - 13/16 = -17/32.

1)  47/48:3 13/27=47/48:94/27=47/48*27/94=1269/4512= 9/32;

2)  9/32-13/16=9/32-26/32=-(26-9)/32 = -17/32.