连一连.
①5÷9=
②25÷6=
③22.3÷99 =
①18.6÷0.23≈
②48÷3.7≈
③2.56÷0.11≈
4.5×8.8 0.45×88 6.25×0.7 6.25 0.86÷1.3 0.86
0.785 6.3555….