口算．360÷60= 580÷20= 1200÷200=160÷16= 450÷90= 280÷70=
直接写出得数． 24×= 1÷=×12=×18÷3=÷=（﹣）×=×÷×=
直接写得数．============
直接写得数．×=×12=×=÷=÷= 9×=÷═÷12=
直接写得数．=== 3.2÷40%=====
直接写出得数．×=﹣= 0÷= 5÷= 70×=
= 1÷
=
×12=
×18÷3=
÷
=（
﹣
）×
=
×
÷
=
=
=
=
=
=
=
=
=
=
=
=
×
=
×12=
×
=
÷
=
÷
= 9×
=
÷
═
÷12=
=
=
=
=
=
=
=
×
=
﹣
= 0÷
=
= 70×
=
粤公网安备 44130202000953号