如题所述
第1个回答 2021-01-23
简便计算为
125*98-125*90
=125*(98-90)
=125*8
=1000
125*98-125*90
=125*(98-90)
=125*8
=1000
第2个回答 2021-01-23
125×98–125×90
=125×(98–90)
=125×8
=1000
=125×(98–90)
=125×8
=1000
第3个回答 2021-01-23
125ⅹ98-125ⅹ90
=(98-90)x125
=8x125
=1000
=(98-90)x125
=8x125
=1000
第4个回答 2021-01-23
原式=125*(98–90)
=125*8
=1000
=125*8
=1000