Question

найдите значение выражения !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

1)1/7-0,125=1/7-125/1000=1/7-1/8=1/56
2)0,05:1/56=5/100*56/1=280/100=2 4/5
3)2 4/5+21/6=14/5+21/6=189/30=6 3/10=6,3