口算．
320÷40= 540÷90= 810÷90=
960÷60= 480÷80= 91÷7=
6600÷600= 2800÷700= 360÷20=
4500÷300=
相关试题
直接写出得数．
8.1÷0.3= 3.2÷0.01= 6.8×0.5= 7.2÷0.25÷4=
4.6×9+4.6= 4.7×0.01= 1.25×4.3×8= 8.6﹣1.48﹣0.52=
+
= 0.25×200= 590÷29≈
= （
﹣
）×12=
=
=
=
=
=
=
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