问题
填空题
甲数是30,乙数是20,乙数是甲数的
|
答案
①20÷30=2 3
答:乙数是甲数的
.2 3
②(30-20)÷20
=10÷20
=0.5
=50%
答:甲数比乙数多50%.
③(30-20)÷30
=10÷30
≈0.333
=33.3%
答:乙数比甲数少33.3%.
甲数是30,乙数是20,乙数是甲数的
|
①20÷30=2 3
答:乙数是甲数的
.2 3
②(30-20)÷20
=10÷20
=0.5
=50%
答:甲数比乙数多50%.
③(30-20)÷30
=10÷30
≈0.333
=33.3%
答:乙数比甲数少33.3%.