Question

Выбрать пару выражений с одинаковыми значениями 1) 30875+9*6 и 8*6+30875 2) 70046*10+100 и 25*4+10*70046 3) 9964+35*7 и 964*7-35*7

Answer 1

Я думаю цифра 2 а остальные не подходят

Answer 2

1) 30875 + 9 * 6 and 8 * 6 + 30875 Both expressions have the same value of 30929. In the first expression, we calculate 9 multiplied by 6, which equals 54, and then add it to 30875. In the second expression, we calculate 8 multiplied by 6, which equals 48, and then add it to 30875. In both cases, the final result is 30929.

2) 70046 * 10 + 100 and 25 * 4 + 10 * 70046 Both expressions have the same value of 700510. In the first expression, we calculate 70046 multiplied by 10, which equals 700460, and then add 100 to it. In the second expression, we calculate 25 multiplied by 4, which equals 100, and then multiply it by 10 to get 1000. Finally, we add 1000 to 70046 to get the result of 700510.

3) 9964 + 35 * 7 and 964 * 7 - 35 * 7 Both expressions have the same value of 9989. In the first expression, we calculate 35 multiplied by 7, which equals 245, and then add it to 9964. In the second expression, we calculate 964 multiplied by 7, which equals 6748, and then subtract 35 multiplied by 7, which is again 245. The result of subtracting 245 from 6748 is 6503, which is equal to 9989 when we add 9964.

In all three cases, we have pairs of expressions that may look different, but they have the same values. This demonstrates the commutative property of addition and multiplication.