计算!1)(3/4-5/12+1/6)÷1/36 2)5/7÷8/3+1/7x3/8+3/8÷7
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计算!1)(3/4-5/12+1/6)÷1/36 2)5/7÷8/3+1/7x3/8+3/8÷7
1)(3/4-5/12+1/6)÷1/36
=(3/4-5/12+1/6)×36
=3/4×36 -5/12×36 +1/6 ×36
=27-15+6
=18
2)5/7÷8/3+1/7x3/8+3/8÷7
=5/7 ×3/8+1/7 ×3/8+1/7 ×3/8
=(5/6+1/7+1/7) ×3/8
=3/8
再问: 那个。。。(5-3/4÷3/8)x19/36。。。
再答: (5-3/4÷3/8)x19/36 =(5-2)×19/36 =3×19/36 =19/12
再问: 谢咯
=(3/4-5/12+1/6)×36
=3/4×36 -5/12×36 +1/6 ×36
=27-15+6
=18
2)5/7÷8/3+1/7x3/8+3/8÷7
=5/7 ×3/8+1/7 ×3/8+1/7 ×3/8
=(5/6+1/7+1/7) ×3/8
=3/8
再问: 那个。。。(5-3/4÷3/8)x19/36。。。
再答: (5-3/4÷3/8)x19/36 =(5-2)×19/36 =3×19/36 =19/12
再问: 谢咯
计算!1)(3/4-5/12+1/6)÷1/36 2)5/7÷8/3+1/7x3/8+3/8÷7
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