2525x99℅简便
25-25x99℅简便 -
25-25x99℅ =25x(1-99%)25x1 =0.25 ,你好,本题已解答,如果满意请点右上角“采纳答案,
=0.99X99+0.99 =0.99(99+1)0.99*100 =99
25-25x99℅ =25x(1-99%)25x1 =0.25 ,你好,本题已解答,如果满意请点右上角“采纳答案,
=0.99X99+0.99 =0.99(99+1)0.99*100 =99
原式=5/8x8+1/25x8+7/25=5+(8+7)/25=28/5 原式=3/10x7/8÷7/20=3/4 原式=(1-99%)x25=25%=0.25