98乘以23的简便计算怎么写解答:98x23=(100-2)x23=23x100-23x2=2300-46=2254
98*23=(100-2)*23=2300-46=2254
98 x 23= (100 - 2) x 23= 100 x 23 - 2 x 23= 2300 - 46 = 2254