2.02x8.5竖式计算

国宜欧40972.02x8.5的简便计算 -
秋紫亭18673222980 ______ 2.02x8.5=1.01*(2*8.5)=1.01*17=17.17

国宜欧4097简算2.02x8.05 -
秋紫亭18673222980 ______ 2.02x8.05 =(2+0.02)x8.05 =2x8.05+0.02x8.05 =16.1+0.161 =16.261

国宜欧4097 竖式计算: 0.36*0.25= 0.84÷4.2= -
秋紫亭18673222980 ______[答案] 0.36*0.25=0.09; 0.3 6*0.2 5 .1 8 0 7 20.0 9 0 0 0.84÷4.2=0.2. 0.2428.4 8 40

国宜欧40972.02✘8.5 用简便方法怎么算? -
秋紫亭18673222980 ______ 2.02*8.5=1.01*17=(1+0.1)*17=17+0.17=17.17.

国宜欧4097 竖式计算0.38*0.25150*0.120.87*1.9(得数保留二位小数)8.5*0.39(验算) -
秋紫亭18673222980 ______[答案] 0.38*0.25=0.095 0.38 *0.25190 760.0950, 150*0.12=18 1 50 *0.12300 15018.00, 0.87*1.9≈1.65 0.87 *1.9783 871.653, 8.5*0.39=3.315 8.5 *0.39765 2553.315, 验算: 0.3 9 *8.5195 3123.315,

国宜欧4097列竖式计算7 - 3.84=12.86+7.2=8.5 - 6.69=8÷0.64=0.26*0.3              16.9÷0.25= -
秋紫亭18673222980 ______[答案] 7-3.84=3.16 12.86+7.2=20.06 8.5-6.69=1.81 8÷0.64=12.5 0.26*0.3=0.078 16.9÷0.25=67.6

国宜欧4097竖式计算6*0.87             3.8*0.25            10.5*0.122.67*1.5 (得数保留二位小数)8.5*0.39 (验算) -
秋紫亭18673222980 ______[答案] (1)6*0.87=5.22; (2)3.8*0.25=0.95; (3)10.5*0.12=1.26; (4)2.67*1.5≈4.01;(得数保留二位小数) (5)8.5*0.39=3.315.

国宜欧4097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 -
秋紫亭18673222980 ______ 2.02x8.5; =(2+0.02)x8.5; =17+0.17 =17.17

国宜欧40970.18X8.45 4.5x0.002 0.072x0.15 验算竖式 和计算竖式 拜 -
秋紫亭18673222980 ______ 1、0.18X8.45=1.521: 2、4.5x0.002=0.009 3、0.072x0.15=0.0108 扩展资料: 竖式计算是指在计算过程中列一道竖式计算,使计算简便. 加法计算: 相同数位对齐,若和超过10,则向前进1.如: 减法计算: 相同数位对齐,若不够...

国宜欧40972.08*0.25竖式计算,并验算 -
秋紫亭18673222980 ______ 2.08 0.25 划横线 1040 416 =0.5200(零可去掉) 验算:0.52乘0.25=2.08