口算．
400×3= 580﹣80= 4500÷90= 37×2=
840÷2= 188+12= 540÷9= 6300÷7=
340+600= 120×4= 350+50= 200×5=
320﹣68= 240÷80= 191+9= 4000÷50=
相关试题
直接写得数：
×0.87=
÷1.2=
÷
= 0.56×
= 2006﹣619=
6﹣
= 3.2×
= 0.3×0.4= 2.85+1.5= 73.05﹣3.96=
=
=
= 1÷
×
= 7×
÷7×=
﹣
= 8÷0.4=
﹣
=
+
=
﹣
= 7﹣6.38=
+
=
+
=0.22×0.5=
=
=
= 10﹣8.9=
）×24= 42÷
= 2.7×
= 5.2÷10%=
﹣
= 8.73+27=
×3=
×
=
= 5﹣
= 8.4÷0.7= 0.75÷
=
×
=
+
= 2.78+2.12= 1.25×8=
=
﹣
=
÷
= 81÷0.3=
粤公网安备 44130202000953号