用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/07 20:14:55
用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4
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用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4
用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4

用简便计算:(-5.35)*(-3)+5.35*(-7)+5.35*4
(-5.35)*(-3)+5.35*(-7)+5.35*4=5.35*(3)+5.35*(-7)+5.35*4
=5.35*(3-7+4)
=0

:(-5.35)×(-3)+5.35×(-7)+5.35×4
=:5.35×3+5.35×(-7)+5.35×4
=5.35×(3-7+4)
=5.35×0
=0