2.02x8.5的简便计算五年级

牧飘义3691如何简便用递等式计算 2.02 x 8.5 = -
陶荣屈19649821310 ______ 2.02 x 8.5 =(2+0.02) x 8.5 =2*8.5+0.02*8.5 =17+0.17 =17.17

牧飘义36912.02x8.5的简便算法是什么 -
陶荣屈19649821310 ______ =2*8.5+0.02*8.5=17+0.17=17.17

牧飘义36912.02x8.5简便计算 -
陶荣屈19649821310 ______ 2.02x8.5 =(2+0.02)x8.5 =2x8.5+0.02x8.5 =17+0.17 =17.17

牧飘义36912.02x8.5的简便计算 -
陶荣屈19649821310 ______ 2.02x8.5=1.01*(2*8.5)=1.01*17=17.17

牧飘义3691简算2.02x8.05 -
陶荣屈19649821310 ______ 2.02x8.05 =(2+0.02)x8.05 =2x8.05+0.02x8.05 =16.1+0.161 =16.261

牧飘义36912.02*8.5简便计算怎么算啊? -
陶荣屈19649821310 ______ 2.02*8.5 =2*8.5+0.02*8.5 =17+0.17 =17.17

牧飘义36912.02✘8.5 用简便方法怎么算? -
陶荣屈19649821310 ______ 2.02*8.5=1.01*17=(1+0.1)*17=17+0.17=17.17.

牧飘义3691怎么用简便计算,写过程 急用!!! 2.02*8.5 1.6*7.5*12.5 56*1.25 1.25+4.6+0.75 3.4*7*1.5 0.8*0.25*0.4*12.5 -
陶荣屈19649821310 ______ 2.02x8.5; =(2+0.02)x8.5; =17+0.17 =17.17

牧飘义3691用简便方法计算2.02x8.5 -
陶荣屈19649821310 ______ 2.02*8.5=2*8.5+0.02*8.5=17+0.17=17.17

牧飘义36912.2*8.5简便计算 -
陶荣屈19649821310 ______ 2.2*8.5=(2+0.2)*8.5=2*8.5+0.2*8.5=17+1.7=18.7