Question

jeśli ktoś mi to zrobi to dam naj, błagam szybko​

Answer 1

zad.3

a)11/25

b) 4 i 11/20

c) 7/40

d) 7 i 13/2500

zad.4

a) 0,95

b) 0,36

c) 2,056

d) 6,475

zad.5

D

zad.6

A

zad.7

a) 5,2 + 3/4 = 5,2 + 0,75 = 5,95

b) 8 i 3/4 - 3,375 = 8,750 - 3,375 = 5,375

c) 5,6 - 1 i 4/9 = 5 i 6/10 - 1 i 4/9 = 56/10 - 13/9 = 504/90 - 130/90 = 374/90 = 4 i 14/90

zad.8

a) 3 i 3/7 *7/8 = 24/7 * 7/8 = 24/8 = 3

b) 5 i 3/5 : 2 i 1/3 = 28/5 : 7/3 = 28/5 * 3/7 = 12/5 = 2 i 2/5

c) 2/7 * 10 * 8 i 2/5 = 2/7 * 10/1 * 42/5 = 168/7 = 24

zad.9

D