5.2×4.7+4.7+3.8×4.6怎么简算?
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5.2×4.7+4.7+3.8×4.6
=6.2×4.7+3.8×4.6
=6.2×4.6+3.8×4.6+6.2*0.1
=4.6*(6.2+3.8)+0.62
=4.6*10+0.62
=46+0.62
=46.62
=6.2×4.7+3.8×4.6
=6.2×4.6+3.8×4.6+6.2*0.1
=4.6*(6.2+3.8)+0.62
=4.6*10+0.62
=46+0.62
=46.62
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