心灵脑快．
6.3÷0.9= 0.006×100= 2004﹣299= 11﹣
= 26×0.25×4=
7×
÷7×
= 5÷7+5= 31×197≈ 0.56×
=
直接写得数
3.6÷0.6= 0.3×1.5= 7﹣0.35= 3л+7л=
62+0.12=
﹣
= 14×
÷14×= 2.4×5=
口算：
0.125×8= 9 
﹣9.875= 3.14×8=
﹣
= 1+160%=
0.36×1000= 2 
÷= 10﹣9.9=
﹣÷2= 7
÷×0=
直接写出得数
2.4×5= 250×0.02= 1﹣0.57= 12.5×16=
0.24÷1.2=
﹣
=
÷
=
+
=
÷0.8=
=
=
=
= 178.5﹣36.5﹣63.5=
直接写得数．
2.5×4= 12.5×0.8= 0.25×0.04= 0.5×20=
7.2÷4=
﹣
= 1﹣
=
+
=