下面的计算对吗?对的在横线上中画“√”,错的画“×”并在右边写出正确的计算过程(1)480÷6-42+7=80-42=38+7=45______.(2)4+16÷4+16=20÷20=1______(

题目简介

下面的计算对吗?对的在横线上中画“√”,错的画“×”并在右边写出正确的计算过程(1)480÷6-42+7=80-42=38+7=45______.(2)4+16÷4+16=20÷20=1______(

题目详情

下面的计算对吗?对的在横线上中画“√”,错的画“×”并在右边写出正确的计算过程
(1)480÷6-42+7
=80-42
=38+7
=45______.
(2)4+16÷4+16
=20÷20
=1______
(3)32÷8-32÷8
=4-4
=0______.
题型:解答题难度:中档来源:不详

答案

(1)480÷6-42+7
=80-42
=38+7
=45;×.

改正:480÷6-42+7
=80-42+7
=38+7
=45;
(2)4+16÷4+16
=20÷20
=1;×.
改正:4+16÷4+16
=4+4+16
=8+16
=24;
(3)32÷8-32÷8
=4-4
=0√.
故答案为:×;×;√.

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