217-40×3+108的计算结果是______,如果要求先算减法,再算乘法,最后算加法,算式变成______,计算结果

2024-11-16 13:31:43
推荐回答(1个)
回答1:

217-40×3+108
=217-120+108
=97+108
=205;

(217-40)×3+108
=177×3+108
=531+108
=639.
故答案为:205,(217-40)×3+108,639.