简便计算:236×18+18×36
236×18+18×36
=236×18+18×36
=(236+36)x18
=(300-30+2)x18
=5400-540+36
=4896
236×18+18×36
=18×(236+36)
=18×(200+70+2)
=18×200+18×70+18×2
=3600+1260+36
=4896
236×18+18×36
=(236+36)×18
=272×18
=272×(20-2)
=272×20-272×2
=5440-544
=5440-600+56
=4840+56
=4896