5.9×6.7+59×0.33怎么简便算？
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5.9×6.7+59×0.33
=5.9×6.7+5.9×10×0.33
=5.9×6.7+5.9×3.3
=5.9×(6.7+3.3)
=5.9×10
=59
=5.9×6.7+5.9×10×0.33
=5.9×6.7+5.9×3.3
=5.9×(6.7+3.3)
=5.9×10
=59
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