Предмет: Математика, автор: sohia2000

вычислите частное по образцу 400:80=(400:10):(80:10)=40:8=
д) 6400:1600
е)20000:4000
ж)2000:500

Ответы

Автор ответа: krusen
0
:) сокращение разрядов
6400:1600=(6400:100):(1600:100)=64:16=4;

20000:4000=(20000:1000):(4000:1000)=20:4=5;

2000:500=(2000:100):(500:100)=20:5=4
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