小亚家住在八楼，她从一楼到八楼需要走112个台阶，她每上一层要走多少个台阶？
直接写出得数．×=÷=÷26====×÷=== 1.2÷=
口算．×=÷5= 1÷= 15×= 1.25×=×4=÷= 1.8﹣40%= 12×（+）=×6+4×=
直接写出复数． ============
口算 21××0××12÷ 12÷ 1÷÷2÷×÷×．
计算： ①56× ②× ③12÷ ④÷．
×
=
÷
÷26=
=
=
=
×
÷
=
=
= 1.2÷
=
×
=
÷5= 1÷
= 15×
= 1.25×
=
×4=
÷
= 1.8﹣40%= 12×（
+
）=
×6+4×
=
=
=
=
=
=
=
=
=
=
=
=
×0
×
×12
÷
1÷
÷2
÷
×
×
．
②
×
③12÷
④
÷
．
粤公网安备 44130202000953号