Question

tính nhanh

4,25x57,43-325+42,57x4,25

Answer 1

Tham khảo:

4,25x57,43-325+42,57x4,25

=(4,25x57,43+42,57x4,25)-325

=4,23x(57,43+4,57)-325

=4,25x100-325

=425-325

=100

Answer 2

4,25x57,43-325+42,57x4,25

=(4,25x57,43+42,57x4,25)-325

=4,23x(57,43+4,57)-325

=4,25x100-325

=425-325

=100