-3×6分之5×1又5分之4×(-0.25)一步步算

2025-05-18 03:03:14
推荐回答(1个)
回答(1):

-3×6分之5×1又5分之4×(-0.25)
=-5/2×9/4×(-0.25)
=-45/8×(-1/4)
=45/32