问题
填空题
680+682+684+686+688+690+692=______×______=______.
答案
680+682+684+686+688+690+692,
=686×7,
=4802.
故答案为:686×7=4802.
680+682+684+686+688+690+692=______×______=______.
680+682+684+686+688+690+692,
=686×7,
=4802.
故答案为:686×7=4802.