360×72+36×280=______.
360×72+36×280=______.
从36的约数中选出4个数组成比例:______:______=______:______.
125×(4+8)=______×______+______×______.
填质数:21=______+______=______×______=______-______.
27.24°=______度______分______秒,108°21′36″=______度.
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=______×______.
36和9,______是______的倍数,______是______的因数.
0.125=5:______=______%=______÷______.
根据1.2×4=0.6×8,可以写成比例______:______=______:______.