问题描述:
我不会做的?
最佳答案:
解法一:
68×0.11+8.9×6.8
=6.8×1.1+8.9×6.8
=6.8×(1.1+8.9)
=6.8×10
=68
解法二:
68×0.11+8.9×6.8
=68×0.11+0.89×(10×6.8)
=68×0.11+0.89×68
=68×(0.11+0.89)
=68×1
=68
计算:68×0.11+8.9×6.8
问题描述:
我不会做的?
解法一:
68×0.11+8.9×6.8
=6.8×1.1+8.9×6.8
=6.8×(1.1+8.9)
=6.8×10
=68
解法二:
68×0.11+8.9×6.8
=68×0.11+0.89×(10×6.8)
=68×0.11+0.89×68
=68×(0.11+0.89)
=68×1
=68