49×54+49×54+54×2简便计算?

2024-11-23 00:01:49
推荐回答(2个)
回答1:

49×54+49×54+54×2
=(49+49+2)×54
=100×54
=5400

回答2:

=49×54+49×54+54×1+54×1
=50*54*2
=100*54
=5400