小学四年级简便计算题有答案48道

Question

如题所述

Answer 1

1.25×14×4

=25×4×14
=100×14
=1400

2.125×19×8

=125×8×19
=1000×19
=19000

3.20×8×5

=20×5×8
=100×8
=800

4.6×26+4×26
=(6+4)×26
=10×26
=260