Question

3.25乘99+3点二五的简便运算

3.25乘99+3点二五的简便运算

Answer 1

3.25x99+3.25
=3.25x99+3.25x1
=3.25x(99+1)
=3.25x100
=325

Answer 2

3.25×（99+1）=3.25×100=325

Answer 3

3.25*99+3.25
=3.25*（99+1）
=3.25*100
=325

Answer 4

3.25X99+3.25
=3.25X(99+1)
=3.25x100
=325