九百七十五乘零点二五加九又四分之三乘七十六减九点七五的简便计算怎么做

2024-11-18 17:01:00
推荐回答(3个)
回答1:

975*0.25+9又3/4*76-9.75
=(975/100)*(0.25*100)+9又3/4*76-9.75
=9.75*25+9.75*76-9.75
=(25+76-1)*9.75
=100*9.75
=975

回答2:

倾听盛夏,你好:

975×0.25+9又3/4×76-9.75
=9.75×25+9.75×76-9.75×1
=9.75×(25+76-1)
=9.75×100
=975

回答3:

975乘0.25加9又4分之3乘76减7.75