25×4=
2.5×4=
0.25×4=
0.25×0.4=
125×8=
12.5×8=
1.25×8=
0.125×8=
① 25×6+25×44=25×(6+44)=1250
② 25×0.6+25×0.44
=25×(0.6+0.44)=1.250
根据算式①写算式②
