先算6x50=300 再算300x77=23100
77*50*6 =77*(50*6) =77*300 =23100
77*50*6=50x6x77=23100
77X6X50=77X(6X50)=77X300=23100
77*6*50=77*(6*50)=77*300=23100
97x50x6的乘法的简便方法 100*300-900
=6*50*77=300*77=23100
你好很高兴为您解答4*50=2006*70=420200*420=84000望采纳!
4x70x50x6=(4 x 50) x(70 x 6)=200x420=84000
6成77程五十的简便算法6*77*50=77*(6*50)=77*300=23100