Question

bài 1 tính nhanh ạ, 150 -34+44-66-50  b, 125 -36+25-75

Answer 1

a) 150 - 34 + 44 - 66 - 50

= (150 - 50) + (44 - 34) - 66

= 100 + 10 - 66

= 110 - 66 

= 44

b) 152 - 36 + 25 - 75

= (152 - 36) + (75 - 25)

= 116 + 50

= 166

Answer 2

a 150-34+44-66-50=44

b 125-36+25-75=39

Answer 3

a, 150 - 34 + 44 - 66 - 50

= ( 150 - 50 ) + ( 34 + 44 - 66 )

= 100 + ( 78 - 66 )

= 100 + 12  

= 112

b, 125 - 36 + 25 - 75

= (125 - 25 ) + (36 + 75)

= 100 + 111

= 211