0.7×0.7÷0.7×0.7=1．________．

錯(cuò)誤
分析：此題先調(diào)整一下運(yùn)算順序，變?yōu)?.7÷0.7×0.7×0.7，從左往右以此計(jì)算．
解答：0.7×0.7÷0.7×0.7，
=0.7÷0.7×0.7×0.7，
=1×0.7×0.7，
=0.49；
故答案為：錯(cuò)誤．
點(diǎn)評(píng)：根據(jù)數(shù)字特點(diǎn)，調(diào)整運(yùn)算順序，使計(jì)算簡(jiǎn)便．
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