3.75×4.8+62.5×0.48用脫式計算簡便算灋計算.3.75×4.8+ 3.75×4.8+62.5×0.48用脫式計算簡便算灋計算. 3.75×4.8+62.5×0.48 = = = =

3.75×4.8+62.5×0.48用脫式計算簡便算灋計算.3.75×4.8+ 3.75×4.8+62.5×0.48用脫式計算簡便算灋計算. 3.75×4.8+62.5×0.48 = = = =




3.8-2.7+7.2÷1.44×0.4怎麼簡便運算


3.8-2.7+7.2÷1.44×0.4=1.1+5*0.4=1.1+2=3.1