直接写得数．
180÷30= 220÷20= 100÷2= 540÷90=
770÷70= 100÷10= 480÷80= 320÷80=
420÷70= 350÷50= 930÷30= 360÷40=
直接写得数．
180÷30= 220÷20= 100÷2= 540÷90=
770÷70= 100÷10= 480÷80= 320÷80=
420÷70= 350÷50= 930÷30= 360÷40=
×16= 12÷
= 24×
=
×
÷
=
÷15=
÷
=
×
÷
= 26×
=
=
=
=
=
=
= 6.4÷20%= 125%×8=
=
÷
=
= 55×
÷
=
×2= 1÷
=
÷
= 0×
+
=
×15=
×2=
×
=
×
=
÷
=
÷3=
÷5=
÷
=
= 72×
= 12÷
=
÷3=
= 3÷
=
×
=
×0=
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