18.4÷0.5+1.84=18.4*2+18.4*1/10=18.4*(2+1/10)=18.4*21/10=38.64望采纳~~~~~~
18.4÷0.5+1.84=18.4×2+1.84=36.8+1.84=38.64
18.4÷0.5=18.4×1/2 所以这个计算题可以转换成18.4×1/2=18.4×1 所以就等于 18.4×(1/2+1)=27.75
=1.84*3=5.52