问题
填空题
两个因数分别是25和5,积是______,如果把因数5改成50、500,积分别是______、______.
答案
25×5=125,
25×50
=25×(5×10),
=1250,
25×500
=25×(5×100),
=12500.
故答案为:125,1250,12500.
两个因数分别是25和5,积是______,如果把因数5改成50、500,积分别是______、______.
25×5=125,
25×50
=25×(5×10),
=1250,
25×500
=25×(5×100),
=12500.
故答案为:125,1250,12500.