123456×1+1929×64-1286×96=______.
123456×1+1929×64-1286×96=______.
巧填单位名称.1______-59______=1______;1______-9______=1______;1___
125×(4+8)=______×______+______×______.
填质数:21=______+______=______×______=______-______.
1周角=______平角=______直角.
1米=______分米,1分米=______厘米,1米=______厘米.
1平角=______直角1周角=______平角=______直角.
常用的面积单位有______、______、______.边长是1千米的正方形,面积是______平方千米=______
3.76°=______度 ______分 ______秒.
填上适当的质数.24=______+______=______+______=______+______.
0.87×99+0.87=______×______.
产品的合格率是96%,把产品______看作单位“1”,______的产品占产品______的96%.