3.7×6.5+2.5×65+65×3.8的计算方法？
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3.7×6.5+2.5×65+65×3.8
=65×(3.7×0.1+2.5+3.8)
=65×(0.37+6.3)
=65×6.67
=65×2×3.335
=130×3.335
=(100+30)×3.335
=333.5+100.05
=433.55
=65×(3.7×0.1+2.5+3.8)
=65×(0.37+6.3)
=65×6.67
=65×2×3.335
=130×3.335
=(100+30)×3.335
=333.5+100.05
=433.55
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3.7×65+2.5×65+65×3.8
=(3.7+2.5+3.8)×65
=10×65
=650
=(3.7+2.5+3.8)×65
=10×65
=650
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3.7×6.5+2.5×65+65×3.8
=0.37*65+2.5*65+65*3.8
=（0.37+2.5+3.8）*65
=6.67*65
=433.55
=0.37*65+2.5*65+65*3.8
=（0.37+2.5+3.8）*65
=6.67*65
=433.55
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