4×550+960×55用巧算

4×550+960×55用巧算
2025-04-16 14:00:04
推荐回答(2个)
回答1:

4×550+960×55
=40×55+960×55
=55×(40+960)
=55×1000
=55000

回答2:

4*550+96*550=(4+96)*550=100*550=55000