Предмет: Математика, автор: lanka69265

допоможіть будь ласка ​

Приложения:
koliadiukvika1805: А калькулятор

Ответы

Автор ответа: iraaxrh
1

1)

1. 484

2. 725

3. 630

4. 424

5. 315

6. 14

2) 420+216=636 636÷4=159 (159)

3) 1. х ÷ 3 = 120

х = 120 × 3

х = 360

2. х × 4 = 448

х = 448 ÷ 4

х = 112

4) 960 ÷ 3 = 320 (продали замовнику)

960 - 320 = 640 (залишилось)

640 ÷ 8 = 80 (ящіків)

Відповідь: 80

Автор ответа: lox8943
1

Ответ:

1. 148+336=484 145×5=725 21×30=630

698-274=625 945:3=315 378:27=14

2. 420+216=636 636/1 × 1/4 сокращаем 636 и 4 получается 159 и 1 636/1 × 1/4=159/1=159

3. x:3=120

x=120×3

x=360

360:3=120

x×4=448

x=448:4

x=112

112×4=448

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