0.5乘0.8怎么计算

长灵京16804.05x0.5x0.8简便计算 -
官泉雄18082396724 ______ 4.05x0.5x0.8简便计算4.05x0.5x0.8=4.05*(0.5*0.8)=4.05*0.4=1.62

长灵京16800.47*0.5*0.8的简便计算 -
官泉雄18082396724 ______ 您好: 0.47*0.5*0.8 =(0.5x0.8)x0.47 =0.4x0.47 =0.188 如果本题有什么不明白可以追问,如果满意请点击“采纳为满意回答” 如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢.

长灵京16800.8*0.5*0.4等于?用简便方法计算 -
官泉雄18082396724 ______ 0.8*0.5*0.4等于?用简便方法计算 0.8*0.5*0.4 =0.8X0.5X0.2X2 =(0.8X0.2)X(0.5X2) =0.16X1 =0.16 (这题主要运用了乘法交换律和结合律进行简便计算.)

长灵京1680简便计算0.026乘零点5*0点8 -
官泉雄18082396724 ______ 0.0104 解析: 0.026*0.5*0.8 =0.026*(0.5*0.8) =0.026*0.4 =0.0025*0.4+0.001*0.4 =0.01+0.0004 =0.0104

长灵京16800.5*0.9*0.8用简便方法计算,怎么做 -
官泉雄18082396724 ______ =0.5x0.8x(1-0.1) =0.4x1-0.4x0.1 =0.4-0.04 =0.36 希望能帮你忙,不懂请追问,懂了请采纳,谢谢

长灵京16800.15乘0.8乘0.5的简便运算? -
官泉雄18082396724 ______ 先用0.8乘以0.5等于0.4.再用0.4乘以0.15等于0.06

长灵京16800.47*0.5*0.8的简便计算 -
官泉雄18082396724 ______[答案] =0.47*(0.5*0.8)=0.47*0.4=0.188

长灵京16800.5*0.9*0.8用简便方法计算, -
官泉雄18082396724 ______[答案] =0.5x0.8x(1-0.1) =0.4x1-0.4x0.1 =0.4-0.04 =0.36 希望能帮你忙,懂了请采纳,

长灵京1680用简便方法计算
官泉雄18082396724 ______ 解: 8.45/0.5*0.05=8.45*(0.05/0.5)=8.45*0.1=0.845 13.8*0.8-13.8/1.25=13.8*0.8-13.8*0.8=0

长灵京16804.8乘12.5乘0.5简便计算 -
官泉雄18082396724 ______ 4.8*12.5*0.5 =(6*0.8)*12.5*0.5 =(6*0.5)*(0.8*12.5) =3*10 =30