Question

72•63-42•9+25 решите пж

Answer 1

73*63-42*9+25
1)73*63=4599
2)42*9=378
3)378+25=403
4)4599-403=4196 Ответ:4196.

Answer 2

72×63-42×9+25
1)72×63=4536
2)42×9=378
3)4536-378=4158
4)4158+25=4183

Answer 3

To solve the expression, we need to follow the order of operations, also known as PEMDAS (Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction) to simplify it.

72•63 - 42•9 + 25 = 4,536 - 378 + 25 (multiplication first) = 4,161 (then addition and subtraction)

Therefore, the solution to the expression 72•63 - 42•9 + 25 is 4,161.