Question

вычислите выбирая удобный способ
826-(231+269)=
(49+35)-(49-34)=
94-(44+26)=
728-(328-179)=

Answer 1

1)826-(231+269)
826 + 500 = 1326
2) (49+35)-(49-34)
( 49-49 ) - (35+34)= 69
3) 94-(44+26)
94-44+26= 76
4) 728-(328-179)
728-328-179=579

Answer 2

231+269=500 826-500=326
49+35=84 49-34=15 84-15=69
44+26=70 94-70=24
328-179=149 728-149=579