试题 试卷
题型:口算与估算 题类:常考题 难易度:普通
人教版数学三年级上册总复习(4)A卷
+ = + = - = + =
1- = - = 1- + = + =
- = + =
5.24+3.17= 9.8-0.98=
3.6×5÷3.6×5= 3.5÷3.5-0. 42=
0.52×3.25 ≈(按四舍五入法将得数精确到十分位) 2.95÷1.1 (商用循环小数的简便方法表示)
300×30%=
1+15.8%=
试题篮