第1个回答 2012-06-17
22*43+22*32+75*18
=22*(43+32)+75*18
=22*75+75*18
=75*(22+18)
=75*40
=3000
16*25*125
=4*25*4*125
=100*500
=50000
32*125*25
=8*125*4*25
=1000*100
=100000
576-135+224-65
=576+224-(135+65)
=800-200
=600
400/128/8
=400÷8÷128
=50÷128
=25/65