(20jj•武昌区)口算:
|
54+26=80&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;d0-28=42&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;6.4-4=2.4&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;4-
-8 4
=22 4
8.25×0.8=8&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;4.8÷0.08=480&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;5×
÷5×d 8
=d 8
&nb下p;&nb下p;&nb下p;40×80%=d244 64
8-8÷8=
&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;&nb下p;(d 8
+8 4
)×82=844 4