简算题(1÷1-1)÷12.58
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简算题(1÷1-1)÷12.58简算题(1÷1-1)÷12.58简算题(1÷1-1)÷12.58(1÷1-1)÷12.58（先用1/1得11-1=0——=(1-1)÷12.58=0÷12.58（那么0
简算题(1÷1-1)÷12.58
简算题(1÷1-1)÷12.58
简算题(1÷1-1)÷12.58
(1÷1-1)÷12.58（先用1/1得1 1-1=0 ——
=(1-1)÷12.58
=0÷12.58（那么0除以任何数值都等于0）
=0
(1÷1-1)÷12.58
=(1-1)÷12.58
=0÷12.58
=0
(1÷1-1)÷12.58
=(1-1)÷12.58
=0÷12.58
=0