来自吕晟珉的问题
【5.4×0.15÷0.2+4.6×0.15】
5.4×0.15÷0.2+4.6×0.15
1回答
2020-01-1822:07
【5.4×0.15÷0.2+4.6×0.15】
5.4×0.15÷0.2+4.6×0.15
5.4×0.15÷0.2+4.6×0.15
=27*0.15+4.6*0.15
=(27+4.6)*0.15
=31.6*0.15
=4.74