Question

344x63+37x344用简便运算怎么算？

Answer 1

344x63+37x344简便运算
=344x(63+37)
=344x100
=34400

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
344 ×63+37×344
= 344× ( 63+37）
= 344 ×100
= 34400