六年级数学上册分数简便计算题

六年级数学上册分数简便计算题


简介:
(1)÷( - ) (2)3x1+÷0.25 =÷( - ) =3x+÷ =÷ =+x4 =10 =+=5 (3)xx2.5 (4)××1.5 =60x2.5 =×1.5 =150 =3.5