Question

103x16-48的简便运算怎么做？

Answer 1

103×16-48
=(100+3)×16-48
=100×16-3×16-48
=1600+(48-48)
=1600+0
=1600

Answer 2

乘法分配律为：两个数的和与一个数相乘，先将它们与这个数分别相乘，再相加，积不变．即：（a+b）×c=a×c+b×c．反过来则：a×c+b×c=（a+b）×c
103×16-48
= 103×16-16×3
= 16× ( 103-3）
=16 ×100
=1600