3520-520x2÷4简便怎么算

3520-520x2÷4简便怎么算
2026-05-19 11:55:27
推荐回答(2个)
回答1:

解答

回答2:

3520-520x2÷4简便怎么算

=3520-520/2
=3000+520-520/2
=3000+520x(1-1/2)
=3000+520x1/2
=3000+260
=3260