Предмет: Математика, автор: zarinamihajlova6

Помогите с номером 3отправлю 20баллов, очень надо!! Даже 30могу!!

Приложения:

Ответы

Автор ответа: sofiketko111

1

Ответ:

1) S=2×3=6(см²)

1)3×2=9 см²

2)(3×2):2=3 см²

3)9+3=12 см²

1)(3×2)÷2=3 см²

2)2×3=6 см²

3)3×2+6=12 см²

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