______:12=14
11+12+13+14+15=______×______.
______:12=68
3÷______=______÷24=12( )
12:______=( )12
______:______=0.75=12÷______=(
22.5°=______度______分;12°24′=______度.
10+11+12+13+14=______×5.
125×32×25=(______×______)×(______×______)
125×(4+8)=______×______+______×______.
______÷______=34
填质数:21=______+______=______×______=______-______.
______米比12米长14