Tính nhanh
a) (2736-75)-2736
b) (-2020)-(-57-2020)
c) 4573 +46-4573+35-16-5
d) 32+34+36+38-10-12-14-16-16-8
Tính nhanh a) (2736-75)-2736 b) (-2020)-(-57-2020) c) 4573 +46-4573+35-16-5 d) 32+34+36+38-10-12-14-16-16-8
By Allison
By Allison
Tính nhanh
a) (2736-75)-2736
b) (-2020)-(-57-2020)
c) 4573 +46-4573+35-16-5
d) 32+34+36+38-10-12-14-16-16-8
Cho mk hay nhất nhé
a) (2736-75)-2736
= 2736-2736-75
= -75
b) (-2020)-(-57-2020)
= -2020+57+2020
= -2020+2020+57
= 57
c) 4573 +46-4573+35-16-5
= (4573-4573)+(46-16)+(35-5)
= 30+30
= 60
d) 32+34+36+38-10-12-14-16-16-8
= (32-16-16)+(34-12-8-14)+(36-10)+38
= 26+38
= 64