6X-X-37.6=26.9求X是?

TY果然还是这么SB2022-10-04 11:39:540条回答

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45*2.08+1.5*37.6
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45*2.08+1.5*37.6
=1.5*30*2.08+1.5*37.6
=1.5*62.4+1.5*37.6
=1.5*(62.4+37.6)
=1.5*100
=150