简算.1/11÷(1/12+1/10÷2/3) 375+450÷18×2/7
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简算.1/11÷(1/12+1/10÷2/3)375+450÷18×2/7简算.1/11÷(1/12+1/10÷2/3)375+450÷18×2/7简算.1/11÷(1/12+1/10÷2/3)375
简算.1/11÷(1/12+1/10÷2/3) 375+450÷18×2/7
简算.1/11÷(1/12+1/10÷2/3) 375+450÷18×2/7
简算.1/11÷(1/12+1/10÷2/3) 375+450÷18×2/7
1/11÷(1/12+1/10÷2/3)
=1/11÷(1/12+3/20)
=1/11÷11/60
=60/121
375+450÷18×2/7
=375+25x2/7
=375+50/7
=382又1/7
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