47.8连续减去多少个4.78得4.78
用简便方法计算五年级47.8X1O.l一4.78 -
47.8X1O．l一4．78 =4.78×10×10.1-4.78 =4.78×（101-1）4.78×100 =478
=47.8-7.48-4.78 =47.8-12.26 =35.54 满意采纳奥，
47.8X1O．l一4．78 =4.78×10×10.1-4.78 =4.78×（101-1）4.78×100 =478
=47.8-7.48-4.78 =47.8-12.26 =35.54 满意采纳奥，
答：这答题答案有很多种。如：①4.78×10=47.8；②4.78÷0.1=47.8；③4.78+42.22=47.8。
=47.8x10-47.8x0.1 =478-4.78 =478-(5-0.22)=478-5+0.22 =473.22
4.78×3.64+0.478×63.6用简算方法? -
原式=47.8
=(47.8÷4.78）x47.8÷4 =10x11.92 =119.2
47.8x10.1十4.78怎么用简便汁算 -
47.8x10.1十4.78 =47.8x10+47.8x0.1+4.78 =478+4.78+4.78 =478+9.56 =487.56 朋友，请采纳正确答案，你们只提问，不采纳正确答案，回答都没有劲！！！朋友，请【采纳答案】，您的采纳是我答题的动力，如果没有明白，请追问。谢谢。
简便方法计算4.78×8.2+2.8×4.78-4.78 4.78×8.2+2.8×4.78-4.78 =4.78*（8.2+2.8-1）4.78*10 =47.8
4.78×9.9简便 -
4.78×9.9简便4.78×9.9 =4.78×（10-0.1）＝4.78×10-4.78×0.1 =47.8-0.478 =47.322
4.78×12.3－2.3×4.78 =4.78×(12.3－2.3)=4.78×10 =47.8