问题
解答题
求下列各比的比值
63:21;12:16;7:5; 2:0.5;2.4:0.6;4:5.
答案
63:21
=63÷21
=3;
12:16
=12÷16
=0.75;
7:5
=7÷5
=1.4;
2:0.5
=2÷0.5
=4;
2.4:0.6
=2.4÷0.6
=4;
4:5
=4÷5
=0.8.
求下列各比的比值
63:21;12:16;7:5; 2:0.5;2.4:0.6;4:5.
63:21
=63÷21
=3;
12:16
=12÷16
=0.75;
7:5
=7÷5
=1.4;
2:0.5
=2÷0.5
=4;
2.4:0.6
=2.4÷0.6
=4;
4:5
=4÷5
=0.8.