Question

Tính nhanh

198,67 - 23,45 - 98,67

Answer 1

198,67 - 23,45 - 98,67

= (198,67 - 98,67) - 23,45

= 100 - 23,45

= 76,55

Answer 2

198,67 - 23,45 - 98,67

= ( 198,67 - 98,67 ) - 23,45

= 100 - 23,45

= 76,55

k mk mk k lại 

Answer 3

=198,67-98,67-23,45

=100-23,45

=76,55

Answer 4

198,67 - 23,45 - 98,67 

= (189,67 - 98,67) - 23,45

= 100 - 23,45

= 76,55