2.7×0.6=0.46×3.5=10.5÷0.75=10.8÷4.5=
直接写得数．3.72+6.28= ÷8= （50+0×5）÷5=13.6﹣3.2﹣1.4= 1÷+1= 0.24×5=
直接写出得数．0.46+0.4= 10﹣4.7+5.3= 1.8×= 1.25×7+1.25=0.02÷0.01= 5﹣3÷7= 5×÷5×= ×43=
在如图长方形内作出表示“×”，并涂上颜色．
口算×1.8= = = 7.8÷0.01=
直接写出得数．×= ×1.2= 32×1= ×÷×=1÷0.1﹣0.1×1= 2.8﹣（1+）= +21÷56= 1252﹣998=
÷8= （50+0×5）÷5=
+1= 0.24×5=
= 1.25×7+1.25=
÷5×
×43=
×
”，并涂上颜色．
×1.8= 
= 
= 7.8÷0.01=
×
= 
×1.2= 32×1
= 
×
÷
×
=
+
）= 
+21÷56= 1252﹣998=
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