99乘57的简便方法
99*57用简便方法怎么算 -
99*57 =(100-1)*57 =5700-57 =5643
回答:100-1)X57 =100x57+1X57 =5700+57 =5757
99*57 =(100-1)*57 =5700-57 =5643
回答:100-1)X57 =100x57+1X57 =5700+57 =5757
99x57 =(100-1)x57 =5700-57 =5643
简便运算如下:99×57 =(100-1)×57 =100×57-1×57 =5700-57 =5643 这道题主要运用了乘法分配律的运算方法。先从99这个数字联想到将其转化为100-1,然后用乘法分配律进行简便运算。这也是很常见的简便方法之一。
99乘57的简便方法 -
99*57 =(100-1)*57 =5700-57 =5643
99x57 =(100-1)x57 =5700-57 =5643
99✘57怎么简便 -
图,
99x57 =(100-1)x57 =100x57-1x57 =5700-57 =5643
57×99简便运算怎么算 -
57×99 =57×(100-1)57×100-57 =5700-57 =5643
=(100-1)×57 =100×57-57 =5700-57=5643 以上为简便计算过程。