如题所述
åå¼
=ï¼8x2)x5
=8x(2x5)
=8x10
=80
ä¾åèã
=ï¼8x2)x5
=8x(2x5)
=8x10
=80
ä¾åèã
温馨提示:答案为网友推荐,仅供参考
第1个回答 2016-05-12
16x5
=10x5+6x5
=50+30
=80
=10x5+6x5
=50+30
=80