(1.2 ÷(1)36 +(3)1.2 ÷(2)0.25 -(4)1516) ÷(5)16924 = 12(1) 1.2 ÷ 36 = 12360 = 1 • 1230 • 12 = 130 (2) 1.2 ÷ 0.25 = 1200250 = 24 • 505 • 50 = 445 (3) 130 + 445 = 130 + 245 = 1 + 6 • 2430 = 14530 = 29 • 56 • 5 = 456 (4) 456 - 1516 = 296 - 2116 = 8 • 29 - 3 • 2148 = 16948 = 32548 (5) 32548 ÷ 16924 = 16948 ÷ 16924 = 169 • 2448 • 169 = 40568112 = 1 • 40562 • 4056 = 12
Как-то так)