发布网友 发布时间:2024-09-27 08:22
共1个回答
热心网友 时间:2024-10-06 04:45
8×(a+5),
=8×a+8×5,
=8a+40;
(8a+40)-(8a+5),
=8a+40-8a-5,
=(8a-8a)+(40-5),
=0+35,
=35.
样两题的计算结果相差35.
故选:B.
热心网友 时间:2024-10-06 04:42
8×(a+5),
=8×a+8×5,
=8a+40;
(8a+40)-(8a+5),
=8a+40-8a-5,
=(8a-8a)+(40-5),
=0+35,
=35.
样两题的计算结果相差35.
故选:B.