98×52的简便方法解答:98×52=(100-2)x52=100x52-2x52=5200-104=4096
98*52=(100-2)*52=100*52-2*52=5200-104=5096
98×52=(100—2)×52=100×52-2×52=5200-104=5096
用简便方法计算515253…9899100515253…9899100=(51+100)+(52+99)+75=151*50+75=7625