500-(780-40×15)÷2
500-(780-40×15)÷2
=500-(780-600)÷2
=500-180÷2
=500-90
=410
=500-(780-600)÷2
=500-180÷2
=500-90
=410
温馨提示:答案为网友推荐,仅供参考
第1个回答 2018-05-12
图
第2个回答 2018-05-12
500-(780-40×15)÷2
500-(780-40×15)÷2
=500-(780-600)÷2
=500-180÷2
=500-90
=410
500-(780-40×15)÷2
=500-(780-600)÷2
=500-180÷2
=500-90
=410