试题 试卷
题型:口算与估算 题类:常考题 难易度:普通
甘肃省庆阳市镇原县2019-2020学年五年级下学期数学期末试卷
+ = 1- = + = - =
1- = + + = + -1= + =
230+160= 120×3= 6×500= 7×60=
66+44= 0×305= 60-19= 1-=
+= -= 397×5≈ 498+299≈
试题篮