口算．
30÷3= 14×5= 28×4= 43+207= 2×600= 450÷5=
2400÷8= 4800÷6= 800÷4= 870﹣250= 120+200= 0÷9=
相关试题
口算．
30÷3= 14×5= 28×4= 43+207= 2×600= 450÷5=
2400÷8= 4800÷6= 800÷4= 870﹣250= 120+200= 0÷9=
×5%=
×
×0=
﹣
= 1﹣
=
÷
= 0×
+
= 1﹣80%= 1÷
=
﹣
= 10÷
= 35×
= 0÷
=
×6=
+
= 5﹣
= 5×
÷5×
=
÷
=
+
= 6.2÷0.5=
= 1﹣
=
= 4
4=
= 8﹣2
=
= 4÷0.25=
=
+4×
= 2﹣
=
﹣
= 1.2×0.01=
﹣
﹣
=
÷
= 6×
=
=
÷6= 3÷4+
=
+0.2=
+
﹣0.2= 5÷
=
=
×1.5=
﹣
= 1÷
=
×15= 4.5+
= 2.43+4.57=
=
×1.2= 2.5﹣
= 5﹣1
﹣1.6=
÷
=
×0=（0.18×
）÷9= 0.2 5×4=
÷
=
）×12=
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