0.13+0.23+0.33+.+0.93简算
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0.13+0.23+0.33+.+0.93简算0.13+0.23+0.33+.+0.93简算0.13+0.23+0.33+.+0.93简算0.13+0.23+0.33+.+0.93=9×0.53=4.
0.13+0.23+0.33+.+0.93简算
0.13+0.23+0.33+.+0.93简算
0.13+0.23+0.33+.+0.93简算
0.13+0.23+0.33+.+0.93
=9×0.53
=4.77
0.03*9+(0.1+0.9)*9/2=4.77
0.13+0.23+0.33+......+0.93
=(0.1+0.2+0.3+......0.9)+0.03*9
=(0.1+0.9)*9÷2+0.27
=0.5*9+0.27
=4.5+0.27
=4.77
0.13+0.23+0.33+.+0.93简算
如何算0.13 0.23 0.33 0.43 .0.93=?
计算:(0.12+0.22+0.32+0.42+0.52)/(0.13+0.23+0.33+0.43)=?
(1+0.23+0.33)*(0.23+0.33+0.43)-(1+0.23+0.33+0.43)*(0.23+0.33)如何简便计算
0.13+0.23+0.33+0.43+0.53+0.63+0.73+0.83+0.93=13,23,33……93为循环节
0.1+0.3+0.5+0.7+0.9+0.11+0.13+0.15+0.17+0.19+0.21+0.23+...0.99
0.13,13的循环+0.23,23的循环+0.33,33的循环+.+0.93,93的循环=?要写计算过程
奥数速算与巧算一、6.25X1.25X6.4二、0.1+0.3+···+0.9+0.11+0.13+0.15+···+0.97+0.99三、199.9X19.98-199.8X19.97四、23.75X3.987+6.013X92.07+6.832X39.87五、(1+0.12+0.23)X(0.12+0.23+0.34)-(1+0.12+0.23+0.34)X(0.12+0.23)
121*0.13+12.1*0.9-12*12.1
(-4又2/1)-{3又5/2-[-0.13-(-0.33)]}咋算..
计算:(-4又1/2)-﹛3又2/5-[(-0.13)-(0.33)]﹜
7.7*0.9+9*0.23简便方法怎么算?
简算:0.1+0.3+0.5+0.7+0.9+0.11+0.13+0.15+...+0.99
0.1+0.3+0.5+0.7+0.9+0.11+0.13+0.15+0.17+0.
0.1+0.3+0.5+0.7+0.9+0.11+0.13+.0.89=?计算方法.
0.1+0.3+0.5+0.7+0.9+0.11+0.13+0.15+0.17+0.19
0.1+0.3+0.5+0.7+0.9+0.11+0.13+0.15.+0.99
0.1+0.3+…+0.9+0.11+0.13+0.15+…+0.97+0.99