1) 7 * 60 - 300 : 30 + 46

### Блок Е 1) $7 \cdot 60 = 420, 420 - 300 = 120, 120 : 30 = 4, 4 + 46 = 50$ 2) $360 - 80 = 280, 280 : 4 = 70, 70 + 280 = 350, 350 \cdot 8 = 2800$ 3) $500 \cdot 7 = 3500, 3500 + 1500 = 5000, 5000 : 25 = 200, 200 - 10 = 190$ 4) $115 + 285 = 400, 400 \cdot 2 = 800, 800 - 300 = 500, 500 : 100 = 5$ ### Блок Ж 1) $2400 : 40 = 60, 60 + 240 = 300, 300 \cdot 7 = 2100, 2100 - 1900 = 200$ 2) $35 - 14 = 21, 21 : 7 = 3, 3 \cdot 25 = 75, 75 + 35 = 110$ 3) $60 \cdot 100 = 6000, 6000 - 5400 = 600, 600 : 50 = 12, 12 + 78 = 90$ 4) $290 + 340 = 630, 630 : 70 = 9, 9 \cdot 30 = 270, 270 - 180 = 90$ ### Блок З 1) $30 \cdot 90 = 2700, 2700 + 1300 = 4000, 4000 : 50 = 80, 80 - 44 = 36$ 2) $15 + 65 = 80, 80 \cdot 3 = 240, 240 : 12 = 20, 20 - 20 = 0$ 3) $90 : 5 = 18, 18 - 11 = 7, 7 \cdot 9 = 63, 63 + 137 = 200$ 4) $640 - 560 = 80, 80 \cdot 4 = 320, 320 + 280 = 600, 600 : 30 = 20$ ### Блок И 1) $88 + 162 = 250, 250 \cdot 6 = 1500, 1500 - 400 = 1100, 1100 : 5 = 220$ 2) $5 \cdot 200 = 1000, 1000 - 710 = 290, 290 : 10 = 29, 29 + 31 = 60$ 3) $79 - 25 = 54, 54 : 6 = 9, 9 \cdot 9 = 81, 81 + 29 = 110$ 4) $52 : 4 = 13, 13 + 17 = 30, 30 : 6 = 5, 5 \cdot 9 = 45$ ### Блок К 1) $9 \cdot 70 = 630, 630 - 30 = 600, 600 : 12 = 50, 50 + 50 = 100$ 2) $102 + 8 = 110, 110 : 5 = 22, 22 \cdot 20 = 440, 440 - 40 = 400$ 3) $400 \cdot 7 = 2800, 2800 + 2200 = 5000, 5000 : 250 = 20, 20 + 80 = 100$ 4) $34 \cdot 5 = 170, 170 + 230 = 400, 400 : 80 = 5, 5 + 95 = 100$