4. Замени квадрат числа произведением двух одинаковых множите-
лей и вычисли.
а) (42 +82) - 10
72 + 92 + 32
92 – 32 + 72
(102 +92) + 220 1. (102 + 72)
22 + (1000 - 92)
б) 62 + (82 + 136)
52 + 102 + 2
10: (32 - 12)
32 + (62 - 42)
102 - (22 + 32) 92 + (72 - 15)​
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