44×15+56×15+15 4200÷(14×6) (125-12)×8
=44×15+56×15+15×1 =4200÷14÷6 =125×8-12×8
=(44+56+1)×15 =4200÷6÷14 =1000-96
=1515 =50 =904
44×15+56×15+15 4200÷(14×6) (125-12)×8
=44×15+56×15+15×1 =4200÷14÷6 =125×8-12×8
=(44+56+1)×15 =4200÷6÷14 =1000-96
=1515 =50 =904