Question

Tính nhanh

167,23 - 34,89 - 67,23

Answer 1

167,23 - 34,89 - 67,23

= ( 167,23 - 67,23 ) - 34,89

= 100 - 34,89

= 65,11

Answer 2

167,23-34,89-67,23

=(167,23-67,23)-34,89

=100                -34,89

=65,11

Answer 3

167x23-34x89-67x23

=23x(167-67)-34x89

=23x100-34x89

= 2300-3026

=-726