列竖式计算，并验算． 249÷18 952÷34 610÷21．
直接写得数．== 0.6÷= 380×0.01= 12.5%+0.875= 20×（1﹣75%）= 9.6÷0.3= 3.8﹣（1.7+1.8）= 1﹣= 36×（﹣）=
一个数的与40的相等，求这个数．
÷=÷3=××=×9×=÷2= 5÷﹣÷5= 7﹣=（1.6+3.2）×0.125= 6×=
直接写出计算结果．×12=÷= 1﹣10%=+= 4×25%= 18÷=
直接写出得数： 1﹣5%=+=×= 3÷= 6×=×=+=÷=÷12=﹣=
=
= 0.6÷
= 380×0.01=
= 36×（
﹣
）=== 0.6÷= 380×0.01== 36×（﹣）=
与40的
相等，求这个数．
÷
=
÷3=
×
×
=
×9×
=
÷2= 5÷
﹣
÷5= 7﹣
=（1.6+3.2）×0.125=
=
×12=
÷
=
+
=
=
+
=
×
= 3÷
=
=
×
=
+
=
÷
=
÷12=
﹣
=
粤公网安备 44130202000953号