发布网友 发布时间:2024-10-22 22:19
共4个回答
热心网友 时间:2024-11-05 18:44
445x65十54X65简便计算
=65x(445+54)
=65x499
=65x(500-1)
=65x500-65x1
=32500-65
=32435
热心网友 时间:2024-11-05 18:44
解:
原式
=(445+54)x65
=499x65
=(500-1)x65
=500x65-1x65
=32500-65
=32435
热心网友 时间:2024-11-05 18:45
445*65+54*65
=65*(445+54)
=65*499
=65*(500-1)
=32500-65
=32435
热心网友 时间:2024-11-05 18:45
445x65十54X65
=65*(445+54)
=65*499
=32435