0.375×4又3/8-3/8+6.625×0.375簡算

0.375×4又3/8-3/8+6.625×0.375簡算

0.375×4又3/8-3/8+6.625×0.375
=0.375×4.375+6.625×0.375-0.375×1
=0.375×(4.375+6.625-1)
=0.375×10=3.75