在a÷b=5…3中，把a、b同时扩大3倍，商是5，余数是3． ．
直接写出得数﹣0.625== 40÷8%== 3×11=+79×= 8﹣4÷=×1.5+3== 4×+÷4===
直接写出得数======= 8×0.125=
直接写得数÷4=+=÷=×= 8×= 2÷= 1÷= 1﹣﹣= 2﹣= 2××=
直接写出得数．÷= 202﹣99= 3.5÷1000= 28÷1%= 34×50=×= 1.24÷0.4= 42×0.2=+=﹣=÷6= 1+99%=
直接写得数．== 1=== 2﹣===
﹣0.625=
= 40÷8%=
= 3
×11=
+79×
=
×1.5+3=
= 4×
+
=
=
=
=
=
=
=
=
= 8×0.125=
÷4=
+
=
÷
=
×
= 8×
=
= 1÷
= 1﹣
﹣
= 2﹣
= 2×
×
=
÷
= 202﹣99= 3.5÷1000= 28÷1%=
×
= 1.24÷0.4= 42×0.2=
+
=
=
÷6= 1+99%=
=
= 1
=
=
= 2﹣
=
=
=
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