答:59×7+6×59-59x8 简算过程如下:
1、提取原式:59×7+6×59-59x8
2、计算过程:
=59×( 7+6-8 )
=59×5
=60×5-5
=300-5
=295
3、【答案】295
结合律的运用。原式=59x(7+6-8)即59x5;继续简算,(60-1)x5=300-5,最后结果是295。
59×(7+6-8)
=59×5
=295
简便计算方法是:
59×7+6×59-59x8
=59×(7+6-8)
=59×5
=295
59×7+6×59-59x8
=59x(7+6-8)
=59x5
=295