0.1+0.3+0.5+0.7+0.9+0.11+0.13+…+0.99=______.
0.1+0.3+0.5+0.7+0.9+0.11+0.13+…+0.99=______.
125×(4+8)=______×______+______×______.
填质数:21=______+______=______×______=______-______.
4500平方米=______公顷______分=0.1小时=______秒.
0.5周角=______平角=______直角=______度.
0.5公顷=______平方米; 2.35时=______时______分.
计算:121×0.13+12.1×0.9-12×1.21=______.
小数的计数单位是______、______、______….
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.
巧填单位名称.1______-59______=1______;1______-9______=1______;1___
0.87×99+0.87=______×______.