Question

Calculati:
-3/7 - 20/21
5/6 - 3/8
2intregi5/8 - 3 intregi 5/6
-1intreg 3/4 + 2intregi 7/8


Dau coroana 100% Va rog ajutatima si exiplicatima

Answer 1

Răspuns:

Explicație pas cu pas:

-³⁾3/7 - 20/21  = -9/21 - 20/21 = -29/21 = -1 intreg si 8/21

⁴⁾5/6 - ³⁾3/8 = 20/24 - 9/24 = 11/24

2si5/8 -3si5/6 = ³⁾21/8 - ⁴⁾23/6 = 63/24 - 92/24 = -29/24 = -1 intreg si 5/4

-1si3/4 + 2si7/8 = -²⁾7/4 + 23/8 = -14/8 + 23/8 = 9/8 = 1 intreg si 1/8