0.6×3       49×0.1      8×0.125 50×0.3      3.77×0        1.6×0.2 3×0.25×4 7.6×0.8+0.2×7.6

口算下面各题:

=1.8

=4.9

=1

=15

=0

=0.32

=3

=7.6