解:25+199×25等于( 5000 )
∵已知需求出25+199×25等于多少
X + X × Y = X × (1 + Y)
∴25 + 199 × 25
= 25 × (1 + 199)
= 25 × 200
= 5000
答:25+199×25等于5000
25+199×25简便计算的步骤是:25+199×25
=25×(1+199)
=25×200
=5000
25+199x25
=25ⅹ(1+199)
二25x200
二5000
25+199×25
=25×(199+1)
=25×200
=5000