Question

Calculati
a) 10 intreci si 1 supra 6 minus 3,5
b) 1,75 minus 1 intreg si 3 supra 8
c) 2 intregi si 3 supra 5 minus 1,04
d) 3 intregi si 2 supra 15 minus 4,(3)
e) 1 intreg si 5 supra 21 minus 2,(6)
f) 1,8(3) minus 2 intregi si 1 supra 5.

Answer 1

Explicație pas cu pas:

a) 61/6-35/10⁵=61/6-³7/2=61/6-21/6=40/6²=20/3

b)175/100⁵-11/8=35/20⁵-11/8=²7/4-11/8=14/8-11/8=3/8

c) 13/5-104/100⁴=⁵13/5-26/25=65/25-26/25=39/25

d) 47/15-39/9³=47/15-⁵13/3=47/15-65/15=-18/15³=-6/5

e) 26/21-24/9³=26/21-⁷8/3=26/21-56/21=-30/21³=10/7

f) 165/90³-11/5=55/30⁵-11/5=⁵11/6-⁶11/5=(55-66)/30=

=-11/30