Question

Приведи подобные члены $-\frac{4}{49}x^{7}d+\frac{3}{7} x^{7} d+\frac{1}{49}x^{7}d$

Answer 1

(-4/49)х^7d+(3/7)x^7d+(1/49)x^7d= =(-4/49)x^7d+(21/49)x^7d+(1/49)x^7d= =(18/49)x^7d