相关试题
= 
= 
= 81×9≈
+
= 30×23= 630÷3= 480÷2=
﹣
= 50×80=直接写得数.
9800÷1400= 0.375+
= 1÷10%= 0.35×7×2= 3﹣
÷0.75=
﹣
= 1.6﹣1.6×0.1= 0.12= 5.2×0×2.3= 5.2﹣2.61=
直接写得数.
9800÷1400= 0.375+= 1÷10%= 0.35×7×2= 3﹣÷0.75=﹣= 1.6﹣1.6×0.1= 0.12= 5.2×0×2.3= 5.2﹣2.61=
= 
= 
= 
=
= 
= 
= 
=
粤公网安备 44130202000953号