ans plz ans plz ans plz ans plz
Attachments:
Answers
Answered by
0
Answer:
(578+2) + (121-1)
580+120=700
we added 2 and sub 1
now add 1 and sub. 2
it will be 699
Answered by
1
Answer:
Step-by-step explanation:
a)578+121
= 500+78+21+100
=600+91
=691
b) 731x281
= (700+31) x (200+81)
= take 100 as common 100((7+31) x ( 2+81)
= 100 ( 2674 )
=267400
Similar questions