24÷2.4-2.8×0.8简便运算

2025-05-14 09:37:04
推荐回答(4个)
回答(1):

24÷2.4-2.8×0.8
=10-(3-0.2)×0.8
=10-3×0.8+0.2×0.8
=10-2.4+0.16
=7.6+0.16
=7.76

回答(2):

24÷2.4-2.8×0.8
=10-(3-0.2)×(1-0.2)
=10-(3-0.6-0.2+0.04)
=10-(3-0.8+0.04)
=10-3+0.8-0.04
=7.76

回答(3):

24÷2.4-2.8×0.8简便运算
=10-2.24
=7.76

回答(4):

21896258555+5555-5565+588