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3/4-0.6*(29/12-1.75灵活计算3X-0.6*2=4.8解方程
人气:465 ℃ 时间:2019-12-09 10:15:28
解答
3/4-0.6*(29/12-1.75) =3/4-0.6×(29/12-7/4) =3/4-0.6×(29/12-21/12) =3/4-0.6×8/12 =3/4-0.6×2/3 =3/4-0.4 =0.75-0.4 =0.35 3X-0.6*2=4.8 3x-1.2=4.8 3x=6 x=6÷3 x=2
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