(-5.25)(-4.73)-4.73(-19.75)25(-5.27)

分类: 作业答案 • 2022-01-09 18:04:15

问题描述：

(-5.25)*(-4.73)-4.73*(-19.75)*25*(-5.27)

答

(-5.25)*(-4.73)-4.73*(-19.75)*25*(-5.27)
=5.25*4.73-4.73*19.75*25*5.27
=25*4.73*(0.21-19.75*5.27)
=118.25*(-103.8725)
=-12282.923125

(-5.25)*(-4.73)-4.73*(-19.75)*25*(-5.27)