六年级解比例计算测验题.doc

六年级解比例练习题x:10= : 0.4:x=1.2:2 =: = :x 0.8:4=x:8 :x=3:121.25:0.25=x:1.6 = =x: =6: = 45:x=18:26 2.8:4.2=x:9.6 :x= : 2.8:4.2=x:9.6x:24= : 8:x= : : =x: 0642.4x 6x x x x0.71050x40 1.3x5.220 x3.6618 x 1 / 1