77731+55547-222*26怎么用简便计算

hx_rugal2022-10-04 11:39:542条回答

已提交，审核后显示！提交回复

共2条回复

纷飞同共回答了21个问题 | 采纳率81%: 777*31+555*47-222*26
=111×7×31+111×5×47-111×2×26
=111×（217+235-52）
=111×400
=44400; 1年前

lianzihz 共回答了584个问题 | 采纳率: 777*31+555*47-222*26
=(555+222)*31 +555*47-222*26
=555*(31+47)+222*(31-26)
=555*78+222*5
=555*78+555*2
=555*(78+2)
=111*5*80
=111*400
=44400; 1年前

相关推荐

大家在问