直接写出得数:142﹣69= 0.56÷8= 6.4+3= 1.2×= 5.4+9=0.6×0.6= 7÷0.8= 4﹣4= 3﹣﹣= ×5×7=
3:5==9: == .
=0.375=12÷ = %=0.45= %= ÷ .
= ÷ = = %÷ =0.25== %
在括号里填上合适的数.6÷12=7÷16=40÷82=÷5=11÷ = ÷ =.
把下列分数写成两个数相除的式子.(1)(2)(3)(4).