‘壹’ 25✖️56的简便方法是什么
解:25×56等于( 1400 ) ∵已知需求出25×56等于多少 ∴25 × 56 = 25 × (8 × 7) = 25 × 8 × 7 = 200 × 7 = 1400 答:25×56等于1400