Question

Найдите значения выражений.c:1 3/7-d:8 15/19 при c=67 1/7 и d=33,4

Answer 1

c=67 1/7=470/7=67.14
d=33.4

c÷ 1 3/7- d÷ 8 15/19=
=c÷10/7-d÷167/19=
=c÷1.43-d÷8.79=
=67.14÷1.43-33.4÷8.79=
=46.95-3.8=
=43.15