98*154的简便运算(*=乘)
问题描述:
98*154的简便运算(*=乘)
答
=(100-2)*154
=100*154-2*154
=15400-308
=15092
答
98*154
=(100-2)*154
=100*154-2*154
=15400-308
=15092
答
98 × 154
= (100 - 2) ×154
= 100 ×154 - 2 × 154
= 15400 - 308
= 15092