1.甲数是乙数的3/4,乙是甲的(133 )%.列式:( );
1/(3/4)=4/3=133%
2.80千克比(64 )多25%.列式( );
80/(1+25%)=80/(5/4)=80*(4/5)=64
3.四米比( 10)米少60%.列式( );
4/(1-60%)=4/(2/5)=10
4.一个数的40%是64,这个数的5%是(8 ).列式:( ).
(64/40%)*5% =160*5%=8
1.甲数是乙数的3/4,乙是甲的(133 )%.列式:( );
1/(3/4)=4/3=133%
2.80千克比(64 )多25%.列式( );
80/(1+25%)=80/(5/4)=80*(4/5)=64
3.四米比( 10)米少60%.列式( );
4/(1-60%)=4/(2/5)=10
4.一个数的40%是64,这个数的5%是(8 ).列式:( ).
(64/40%)*5% =160*5%=8