30.1/[(6.07+2.53)*0.7]简便

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30.1/[(6.07+2.53)*0.7]简便
x)363ԏ03063523}ɾ6IEi*rPI =3 A vDv= a$ف\A>Z

30.1/[(6.07+2.53)*0.7]简便
30.1/[(6.07+2.53)*0.7]简便

30.1/[(6.07+2.53)*0.7]简便
30.1÷[(6.07+2.53)*0.7]
=30.1÷[8.6*0.7]
=30.1÷0.7÷8.6
=43÷4.3÷2
=5