Предмет: Математика, автор: anazermakova262

Помогите решить с объяснением 92:4 920:4 170:5 срочно ​

Аноним: еу
elinakobzeva2008: 92÷4=23

920÷4=230

170×5=850

Ответы

Автор ответа: iramazurk
1
92 : 4 = ( 80 + 12) : 4 = 20 + 3 = 23

920 : 4 = ( 800 + 120) : 4 = 200 + 30 = 230

170 : 5 = ( 150 + 20) : 5 = 30 + 4 = 34
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