72x26+30x48

2025-03-01 20:51:19
推荐回答(3个)
回答1:


回答2:

72x26+30x48
=72x26+(26+4)x48
=72x26+26x48+4x48
=(72+48)x26+192
=120x26+192
=(100+20)x26+192
=100x26+20x26+192
=2600+520+192
=2600+712
=3312

回答3:

3312