填空:()+1/3=()-1/2=()×1/6=()÷1/7=1.5×()=1

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填空:()+1/3=()-1/2=()×1/6=()÷1/7=1.5×()=1填空:()+1/3=()-1/2=()×1/6=()÷1/7=1.5×()=1填空:()+1/3=()-1/2=()×1/

填空:()+1/3=()-1/2=()×1/6=()÷1/7=1.5×()=1
填空:()+1/3=()-1/2=()×1/6=()÷1/7=1.5×()=1

填空:()+1/3=()-1/2=()×1/6=()÷1/7=1.5×()=1
(2/3)+1/3=(一又二分之一)-1/2=(6)×1/6=(1/7)÷1/7=1.5×(2/3)=1