72*26+36*48
=36x2x26+36x48
=36x52+36x48
=36x(52+48)
=36x100
=3600
祝你学习进步,有不明白的可以追问!谢谢!!
72*26+36*48
=36*2*26+36*48
=36*(2*26)+36*48
=36*52+36*48
=36*(52+48)
=36*100
=3600
72=36*2 所以 36*2*26+36*48=36*(52+48)=36*100=3600
72×26+36×48
=36×2×26+36×48
=36×(2×26+48)
=36×(52+48)
=36×100
=3600
656465*3566565335