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0.4×2.5÷2.5×0.4=1.
×
×
.(判断对错)
分析:在计算0.4×2.5÷2.5×0.4时,可调整一下运算顺序,使计算简便,即原式=0.4×0.4×(2.5÷2.5),求出结果,进行判断.
解答:解:0.4×2.5÷2.5×0.4
=0.4×0.4×(2.5÷2.5)
=0.16×1
=0.16
故答案为:×.
点评:此题也可从左往右依次计算,原题在计算时,没有按运算顺序进行计算.
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