23×98+2×77×49简算

2025-03-04 09:06:41
推荐回答(5个)
回答1:

原式=23×98+77×98
=(23+77)×98
=100×98
=9800

回答2:

回答3:

=2254+154x49
=2254+7546
=16400

回答4:

23*98+77*98
=(23+77)*98
=100*98
=9800

回答5:

你没计算机?