括号3/4+5/9反括号乘以3.6
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答案4.7,计算过程: (3/4+5/9)x3.6 =3/4x3.6+5/9x3.6 =3x0.9+5x0.4 =2.7+2 =4.7
咨询记录 · 回答于2022-10-25
括号3/4+5/9反括号乘以3.6
括号3/4+5/9反括号乘以3.6
答案4.7,计算过程: (3/4+5/9)x3.6 =3/4x3.6+5/9x3.6 =3x0.9+5x0.4 =2.7+2 =4.7
答案4.7,计算过程: (3/4+5/9)x3.6 =3/4x3.6+5/9x3.6 =3x0.9+5x0.4 =2.7+2 =4.7
过程
3.6=4x0.9,3.6=9x0.4,所以3/4x3.6=3x0.9=2.7,3.6x5/9=0.4x5=2
答案4.7,计算过程: (3/4+5/9)x3.6 =3/4x3.6+5/9x3.6 =3x0.9+5x0.4 =2.7+2 =4.7
3.6能与4约分,3.6约分变成0.9,4约分变成1
3.6能与9约分,3.6约分变成4,9约分变成1
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3.6能与9约分,3.6约分变成0.4,9约分变成1