4⼀7×54-16×3⼀5+27×6⼀7+3×1⼀5,这道题怎么做?

2024-12-02 04:11:58
推荐回答(2个)
回答1:

解:4/7×54-16×3/5+27×6/7+3×1/5等于( 45 )
∵已知尘慧需求派扮答出4/7×54-16×3/5+27×6/7+3×1/5等于多少
∴4/7 × 54 - 16 × 3/5 + 27 × 6/7 + 3 × 1/5
= 216/7 - 48/5 + 162/7 + 3/缺扮5
= (216/7 + 162/7)+ (-48/5 + 3/5)
= 378/7 - 45/5
= 54 - 9
= 45
答:4/7×54-16×3/5+27×6/7+3×1/5等于45

回答2:

4/7×54-16×3/5+27×6/7
+3×1/5
=216/7-48/颂禅乱5+162/袭则7+3/5
=(216/7+162/7)-(48/5-3/5)
=378/7-45/野档5
=54-9
=45