问题
解答题
化简下列各比,并求比值 (1)0.5:0.125 (2)
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答案
(1)0.5:0.125=(0.5×8):(0.125×8)=4:1;
0.5:0.125=4:1=4÷1=4.
(2)
:0.75=(5 4
×4):(5 4
×4)=5:3;3 4
:0.75=5:3=5÷3=5 4
.5 3
化简下列各比,并求比值 (1)0.5:0.125 (2)
|
(1)0.5:0.125=(0.5×8):(0.125×8)=4:1;
0.5:0.125=4:1=4÷1=4.
(2)
:0.75=(5 4
×4):(5 4
×4)=5:3;3 4
:0.75=5:3=5÷3=5 4
.5 3