396+126÷18-19=10××.(判断对错),改正:396+126÷18-19
=396+7-19
=403-19
=384396+126÷18-19
=396+7-19
=403-19
=384.
=396+7-19
=403-19
=384
=396+7-19
=403-19
=384
【考点】表外除加、除减.
【答案】×;396+126÷18-19
=396+7-19
=403-19
=384
=396+7-19
=403-19
=384
【解答】
【点评】
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发布:2025/2/15 2:30:1组卷:7引用:1难度:0.5