12.25×48
=(12.5-0.25)×48
=12.5×48-0.25×48
=12.5×8×6-0.25×4×12
=100×6-1×12
=600-12
=588
答:12.25×48等于588。
12.25×48
=(12.5-0.25)×48
=12.5×48-0.25×48
=12.5×8×6-0.25×4×12
=100×6-1×12
=600-12
=588
答:12.25×48等于588。
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