+
=
÷
=
×52=1.2÷
=
×
=0×
=55÷
=
×
÷
×
=解:
+
=
;
÷
=
;
×52=16;1.2÷
=1.4;
×
=
;0×
=0;55÷
=40;
×
÷
×
=
.故答案为:
,
,16,1.4,
,0,40,
.分析:①通分计算;②④⑦把除法改为乘法,再计算;③⑤约分计算;⑥0乘任何数都得0;⑧把除法改为乘法,按运算顺序从左往右依次计算.
点评:此题考查了约分、通分、运算顺序,以及“0乘任何数都得0”等知识.
编辑:chaxungu时间:2026-04-27 09:36:18分类:小学数学题库
+
=
÷
=
×52=
=
×
=
=
=
×
÷
×
=解:
+
=
;
÷
=
;
×52=16;
=1.4;
×
=
;
=0;
=40;
×
÷
×
=
.
,
,16,1.4,
,0,40,
.上一篇:两个长方形如图摆放.M为AD的中点.阴影部分的面积= .
下一篇:返回列表