66×25 102×56 3248÷16 简便运算.
问题描述:
66×25 102×56 3248÷16 简便运算.
66×25 102×56 3248÷16 简便运算.
答
答:
66×25
=(60+6)×25
=60×25+6×25
=1500+150
=1650
102×56
=(100+2)×56
=100×56+2×56
=5600+112
=5712
3248÷16
=(3200+48)÷16
=3200÷16+48÷16
=200+3
=203