999.9*0.28-0.6666*370的简便计算
1个回答
2013-10-28
展开全部
999 .9×0.28-0.6666×370
=333.3×0.84-333.3×0.74
=333.3×(0.84-0.74)
=333.3×0.1
=33.33
=333.3×0.84-333.3×0.74
=333.3×(0.84-0.74)
=333.3×0.1
=33.33
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