递等式计算能巧算要巧算括号24,加24加24括号乘25怎么算?大神们帮帮忙

2024-12-03 04:36:07
推荐回答(1个)
回答1:

(24+24+24)x25 =3x24x5x5 =3x5x100 =15x100 =1500 补充: (24+24+24)x25 =3x24x5x5 =3x5x120 =15x120 =1800