口算． 6.4÷0.8= 7.5﹣4.5= 5.7+4.3= 0.52=1÷0.25= 48.5÷4.85= 0.36×2= 2.5×4÷2.5×4=
把3块蛋糕平均分给7个人，每人分得多少块？
直接计算======
除以真分数，商一定小于被除数． ．
直接写出得数． ①=②=③=④= ⑤=⑥=⑦=⑧= ⑨=⑩1÷6÷3=
直接写出结果： 10÷=÷=×=﹢=×=×=﹣=÷4=
=
=
=
=
=
=
=②
=③
=④
=
=⑥
=⑦
=⑧
=
=⑩1÷6÷3=
=
÷
=
×
=
﹢
=
×
=
×
=
﹣
=
÷4=
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