6.7 ×0.98简便计算
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6.7 ×0.98简便计算
6.7 ×0.98简便计算
6.7 ×0.98简便计算
6.7 ×0.98
=6.7×(1-0.02)
=6.7-0.134
=6.566
=6.7X(1-0.02)
=6.7-6.7X0.02
=6.566
6.7 ×0.98简便计算
6.7 ×0.98简便计算
6.7 ×0.98简便计算
6.7 ×0.98
=6.7×(1-0.02)
=6.7-0.134
=6.566
=6.7X(1-0.02)
=6.7-6.7X0.02
=6.566