Question

OBLICZ .

a ) 7/9 x 4 =

b ) 8 x 5/12 =

c ) 12 x 4/15 =

d ) 40 x 5/32 =

e ) 4 i 1/4 x 8 =

f ) 5 x 1 i 1/3 =

g ) 8 x 6 i 7/8 =

PROSIŁABYM ABY PAMIĘTAĆ O SKRACANIU !!!

Answer 1

a) 7/9 x 4 = 28/9 = 3 i 1/9

b) 8 x 5/12 = 2 x 5/3 = 10/3 = 3 i 1/3

c) 12 x 4/15 = 48/15 = 3 i 3/15

d) 40 x 5/32 = 5 x 5/4 = 25/4 =  6 i 1/4

e) 4 i 1/4 x8 = 17/1 x 2 = 32

f) 5 x 1 i 1/3 = 5 x 4/3 = 20/3 =  6 i 2/3

g) 8 x 6 i 7/8 = 8x  55/8 = 440/8 = 55

 

 Proszę :)