题目内容
【题目】(1)7.2-7.2÷(1.9+1.7)=7.2-7.2÷3.6=7.2-2=5.2(____)
(2)0.25×4÷0.25×4=1÷1=1(____)
【答案】正确 错误
【解析】
7.2-7.2÷(1.9+1.7)
=7.2-7.2÷3.6
=7.2-2
=5.2
0.25×4÷0.25×4
=1÷0.25×4
=4×4
=16
故答案为:正确;错误.
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题目内容
【题目】(1)7.2-7.2÷(1.9+1.7)=7.2-7.2÷3.6=7.2-2=5.2(____)
(2)0.25×4÷0.25×4=1÷1=1(____)
【答案】正确 错误
【解析】
7.2-7.2÷(1.9+1.7)
=7.2-7.2÷3.6
=7.2-2
=5.2
0.25×4÷0.25×4
=1÷0.25×4
=4×4
=16
故答案为:正确;错误.