Question

t 1.2-4p a(146+449):(3x5)+(898-23):25; b (8617-1345):(2x3)-(29-28x29);

Answer 1

a) $(146)+449):(3*5)+(898-23):25$
$=645:15+875:25$
$=43+35$
$=78$

b) [tex](8617-1345):(2*3)-(29-28*29) \\ = 7272-(29-812) \\ =7272-29+812 \\ =7243+812 \\ = 8055[/tex]