4.3×a=b(a不等于b).当a( )时,b<4.3;当a()时,b=4.3.当a()时,b>4.3

问题描述:

4.3×a=b(a不等于b).当a( )时,b<4.3;当a()时,b=4.3.当a()时,b>4.3

当a(小于零 )时,b<4.3;当a(等于1)时,b=4.3.当a(大于等于2)时,b>4.3