直接写出得数．1﹣9= +0.2= +﹣0.2= 5÷=3.6×= ×1.5= ﹣= 1÷=×15= 4.5+= 2.43+4.57= ﹣=×1.2= 2.5﹣= 5﹣1﹣1.6= ÷=2×0= （0.18×）÷9= 0.2 5×4= ÷=（+）×12=
直接写出的数．====%======
只列式不计算﹣= 1.25×8= 2.7×=÷2= 1÷0.8=×= 1﹣÷1﹣=×0.8+×=
直接写出得数． 72=﹣= 6﹣= 14÷21=×÷= 0.22= 1÷=÷60%= 10﹣2÷25%= 24%×5=
直接写得数．×=+=﹣=+=×=÷=﹣=×= 14×= 20÷= 0×=×23×1=
直接写出得数．﹣= 5﹣40%﹣1.6=÷= 3.14×102=÷9= 2 5%×4=×= 6×÷6×=
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+0.2= 
+
﹣0.2= 5÷
=
= 
×1.5= 
﹣
= 1÷
=
×15= 4.5+
= 2.43+4.57= ﹣
=
×1.2= 2.5﹣
= 5﹣1
﹣1.6= 
÷
=
×0= （0.18×
）÷9= 0.2 5×4= 
÷
=+
）×12=
=
=
=
=
%=
=
=
=
=
=
﹣
= 1.25×8= 2.7×
=
÷2=
×
= 1﹣
÷1﹣
×
﹣
= 6﹣
×
÷
= 0.22= 1÷
=
÷60%=
×
=
+
=
﹣
=
+
=
×
=
=
﹣
=
×
=
= 20÷
= 0×
=
×23×1=
﹣
= 5﹣40%﹣1.6=
÷
÷9= 2 5%×4=
×
= 6×
÷6×
=