5.66×1.25×3.2的简便运算?

2025-04-12 15:45:37
推荐回答(4个)
回答1:

5.66×1.25×3.2
【分解3.2】
=5.66×1.25×8×0.4
=5.66×10×0.4
=56.6×0.4
=22.64

回答2:

5.66×1.25×3.2
=56.6×0.125×0.8×4
=56.6×1/8×0.8×4
=56.6×0.1×4
=56.6×0.4
= 22.64

回答3:

5.66X1.25X3.2
二5.66X(1.25X4)Ⅹ0.8
二5.66X(5X.0.8)二5.66X4
二22.64。

回答4:

5.66×1.25×3.2
=5.66×1.25×8×0.4
=1.25×8×(5.66×0.4)
=10×2.264
=22.64