67x99十67
67X99十67? -
67×99+67 =67×（99+1）67×100 =6700
67X99十67 =67X(99十1)=67x100 =6700
67×99+67 =67×（99+1）67×100 =6700
67X99十67 =67X(99十1)=67x100 =6700
=67x(99+1)=67x100 =6700
=67×(99+1)=6700
应用乘法分配律进行简便计算67x99十67怎么做 -
67×99+67 =67×(99+1)=67×100 =6700
67×99+67 =67x(99+1)=67x100 =6700 如果满意记得采纳哦！你的好评是我前进的动力。*^__^*) 嘻嘻…
67x99十99用脱式方法计算? -
解：原式=67x99+1x99 =（67+1）x99 =68x(100-1)=68x100-68x1 =6800-68 =6732
67*99用简便方法计算：67*99 =67*(100-1)=6700-67 =6633
0.67 x99十0.67怎样简便算 -
逆用乘法分配律（或叫提取公因式法）计算简单0.67 x99十0.67 =0.67×99+0.67×1 =0.67×（99+1）0.67×100 =67
这道题可以把99看成33×3，利用乘法分配律来实现简算：67×99+907×33 =67×3×33+907×33 =201×33+907×33 =（201+907）×33 =（1100+8）×33 =1100×33+8×33 =36300+264 =36564