解:25×26等于( 650 ) ∵已知需求出25×26等于多少 X × (Y + Z)= X × Y + X × Z ∴25 × 26 = 25 × (20 + 6) = 25 × 20 + 25 × 6 = 500 + 150 = 650 答:25×26等于650
列式计算过程方法如下解:25×26=5×5×25=5×(5×25)=5×125=625
=25*(25+1)=25*25+25*1=625+25=650