Question

tinh nhanh:

23+56+73+44

91+10+5+41

 

Answer 1

23 + 56 + 73 + 44 

= (23 + 73)+ (56 + 44)

= 96 + 100

= 196

91 + 10 + 5 + 41

= 91 + 41 + 10 + 5

= 132 + 15

= 147

Answer 2

23 + 56 + 73 + 44

= ( 23 + 74 ) + ( 56 + 44 )

= 97 + 100 

= 197

91 + 10 + 5 + 41

= ( 91 + 5 ) + ( 10 + 41 )

= 96 + 51

= 147

Answer 3

196

237

Answer 4

dsung hoàn toàn k

Answer 5

nguyen phuong linh dung

Answer 6

23 + 56 + 73 + 44

= ( 23 + 73 ) + ( 56 + 44 )

= 96 + 100 

= 196

91 + 10 + 5 + 41

= 91 + 41 + 10 + 5

= 132 + 15 

= 147

Answer 7

23+56+73+44

=(23+73)+(56+44)

=96+100

=196

91+10+5+41

=91+41+10+5

=132+10+5

=142+5

=147