计算.(能简算的要简算) 1.8/9×1/3+2/3 2.1除以(1/2+2/3) 3.5.5除以(1-1/8-2/3) 5/12×2/3除以5/242/3除以(1/2-1/3)
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![计算.(能简算的要简算) 1.8/9×1/3+2/3 2.1除以(1/2+2/3) 3.5.5除以(1-1/8-2/3) 5/12×2/3除以5/242/3除以(1/2-1/3)](/uploads/image/z/97576-16-6.jpg?t=%E8%AE%A1%E7%AE%97.%EF%BC%88%E8%83%BD%E7%AE%80%E7%AE%97%E7%9A%84%E8%A6%81%E7%AE%80%E7%AE%97%EF%BC%89+1.8%2F9%C3%971%2F3%2B2%2F3+2.1%E9%99%A4%E4%BB%A5%EF%BC%881%2F2%2B2%2F3%29+3.5.5%E9%99%A4%E4%BB%A5%EF%BC%881-1%2F8-2%2F3%29+5%2F12%C3%972%2F3%E9%99%A4%E4%BB%A55%2F242%2F3%E9%99%A4%E4%BB%A5%EF%BC%881%2F2-1%2F3%EF%BC%89)
计算.(能简算的要简算) 1.8/9×1/3+2/3 2.1除以(1/2+2/3) 3.5.5除以(1-1/8-2/3) 5/12×2/3除以5/242/3除以(1/2-1/3)
计算.(能简算的要简算) 1.8/9×1/3+2/3 2.1除以(1/2+2/3) 3.5.5除以(1-1/8-2/3) 5/12×2/3除以5/24
2/3除以(1/2-1/3)
计算.(能简算的要简算) 1.8/9×1/3+2/3 2.1除以(1/2+2/3) 3.5.5除以(1-1/8-2/3) 5/12×2/3除以5/242/3除以(1/2-1/3)
1.8/9×1/3+2/3
=8/27+18/27
=26/27
2.1除以(1/2+2/3)
=1÷1
=1
3.5.5除以(1-1/8-2/3)
=5.5÷(1/3-1/8)
=5.5÷(8/24-3/24)
=5.5÷5/24
=5.5×24/5
=1.1×24
=26.4
5/12×2/3除以5/24
=5/18×24/5
=24/18
=4/3
2/3除以(1/2-1/3)
=2/3÷1/6
=4
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