已知：ABCD是正方形，ED=DA=AF=2厘米，求阴影部分的面积．
计算 21÷121÷．
直接写得数×0.25=÷= 2×÷= 6.3×=÷= 2﹣﹣= 2.6×11﹣2.6= 1.8×4×0.5=
口算我最棒!=========
口算×=×= 12×=+3=÷=÷4=×= 5÷=
直接写得数======
试卷网 试题网 古诗词网 作文网 范文网
Copyright ©2020-2025 优题课 youtike.com 版权所有
粤ICP备20024846号
121÷
．
×0.25=
÷
= 2×
÷
=
÷
= 2﹣
﹣
= 2.6×11﹣2.6= 1.8×4×0.5=
=
=
=
=
=
=
=
=
=
×
×
= 12×
=
+3=
÷
=
÷4=
×
= 5÷
=
=
=
=
=
=
=