4分之3乘99加4分之3,脱式计算要过程谢谢
问题描述:
4分之3乘99加4分之3,脱式计算要过程谢谢
答
4分之3乘99加4分之3
=4分之3x99+4分之3x1
=4分之3x(99+1)
=4分之3x100
=75
答
=4分之3×(99+1)
=4分之3×100
=75
答
=3/4×99+3/4×1
=3/4×(99+1)
=3/4×100
=75