33x99的简便算法
33x99的简便运算怎么算 -
33x99 =33x(100-1)33x100-33x1 =3300-33 =3267
回答:99可以分成11×9,然后99×33就成了(9×11)×(11×3)最后等于3267
33x99 =33x(100-1)33x100-33x1 =3300-33 =3267
回答:99可以分成11×9,然后99×33就成了(9×11)×(11×3)最后等于3267
99x33 =(100-1)x33 =100x33-1x33 =3300-33 =3267
回答:99×33 =100×33-1×33 =3300-33 =3267
99x33的简便用算 -
(100-1)×33 =100×33-1×33 =3300-33 =3267
原式=(100-1)×33 =3300-33 =3267
简便算法33x99 44x25 -
33*99 =33*(100-1)=33*100-33*1 =3300-33 =3267 44*25 =11*(4*25)=11*100 =1100 55x27+55x72+55 =55*(27+72+1)=55*100 =5500
回答:3300-33=3267
用简便方法计算99x33 99x25 58 -
99×33+99×25+58 =99×(33+25)58 =99×58+58 =(99+1)×58 =100×58 =5800 你好,本题已解答,如果满意,请点右上角“采纳答案”,支持一下。
99×33+99×25+58 =99×(33+25)58 =99×58+58 =58×(99+1)58×100 =5800