(42-25)*4简便计算?

2025-03-24 10:09:30
推荐回答(4个)
回答(1):

解:(42-25)*4


=42*4-25*4


=168-100


=68

回答(2):

(42-25)×4
=42×4 - 25×4
=168-100
=68

回答(3):

(42-25)x4
=(40+2)x4-25x4
=40x4+2x4-25x4
=160+8-100
=168-100
=68

回答(4):

(42-25)×4
=42×4-25×4
=168-100
=68