3.14
3.14x(8÷2)÷2-3.14x(4÷2)÷2
1个回答
相关问题
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一元二次方程 (3.14×2x÷4)+x+(3.14x²÷x)+(3.14x²÷x-x)=15.7
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[2÷3÷7+4÷6÷14+14÷21÷49/4÷7÷9+8÷14÷18+28÷49÷63]=______.
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(2÷3÷7+4÷6÷14+14÷21÷49)÷(4÷7÷9+8÷14÷18+28÷49÷63)
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10.28÷3.14÷2×3.14÷2等于多少
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3、计算.3/4÷7/8÷15/14 (4/9+2/15)÷2/15 3/20÷ 0.2×2/3
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-2²/5÷(-2)²-|-9/14|×(-2/3)²÷3/14
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4/5+14/5x4/7 6÷2/3+2/3÷6 35 又7/11÷7 9/11÷8-5/11x1/8 2/5x「(1/
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4/3x÷6/1=8的计算过程4×2/1÷x=10 14/5x=9/5 x÷3/2=8/5 2/1x÷5/1=10 5/
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3.14xX²+3.14x(X÷2)²=100
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①[4/7÷5②38÷14]③[1/3÷15]④[2/3÷1