98×65+130用简便方法:用乘法分配律98×65+130=98×65+2×65=(98+2)×65=100×65=6500
答案如下:98×65+130=(98+2)×
98×65+130
=98×65+65×2
=65×(98+2)
=65×100
=6500
98✖️65+130=98✖️65+2*65=65*(98+2)=65*100=6500
98×65+130=98×65+65×2=65×(98+2)=65×100=6500