直接写出得数
（1）0.36+6.4= 12×2.5= 4.4÷0.44= 0÷0.54=
（2）8﹣4.5= 0.08×0.1= 9.6÷0.3= 0.5×1.8= ．
直接写出得数
（1）0.36+6.4= 12×2.5= 4.4÷0.44= 0÷0.54=
（2）8﹣4.5= 0.08×0.1= 9.6÷0.3= 0.5×1.8= ．
是
，这个数是多少？
÷
=
÷12=
÷
= 1÷
=
=
÷21=
÷
=
÷
=
÷
=
÷
=
×
=
﹣
=
= 4÷
=
=
÷2=
×
= 100÷
= 88÷
= 4×
=
1﹣80%= 2.5%×40= 0.8÷1%=
×
=
÷
÷4=
= 0.25÷0375= 28÷
=
÷
= 9÷
= 12÷
=
×
=
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