把下列假分数化成带分数，把带分数化成假分数． = 3= 2= =
直接写得数．========
12+9.9= 1÷0.25=÷=×50%=﹣=（0.75﹣）×96=
直接写得数．+= 6÷=÷4= 2×=÷5= 24÷=×=÷=×24=×=÷=×=
﹣=÷12= 15×= 36÷=+=×12=÷=×=
直接写出得数．﹣= 4.5×102=×6= 270÷18= 5﹣0.25+0.75= 2÷= 10×10%= 7×÷7×= 1÷×= 341﹣103=
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= 3
= 2
= 
=
=
=
=
=
=
=
=
=
÷
=
×50%=
﹣
=（0.75﹣
）×96=
+
= 6÷
=
÷4= 2×
÷5= 24÷
=
×
=
÷
×
=
÷
=
×
=
﹣
=
÷12= 15×
=
=
+
=
÷
=
×
=
﹣
= 4.5×102=
×6= 270÷18= 5﹣0.25+0.75=
= 10×10%= 7×
÷7×
= 1÷
×
= 341﹣103=