matematika misollar to'plami

1-variant 1. 1. x + 45 = 79; 2. x + 72 = 89 3. 84: (-21 )-48: (-3)+21:7 4. 51: (-3 )+68: (4)-12: (-4) ____________________________________________________________________________ 2-variant 1. x +231 = 389; 2. у- 614 = 3112 3. -91:(-13)-78:(-6)+18:(-6) 4. -98:(-7)+63:(-9)-21:(-7) ____________________________________________________________________________ 3-variant 1. y-463 = 361; 2. x-3260 = 4521 3. -120:(-6)-(88-38)+51:(17) 4. 48: (-16)+5 7: (-3 )+96-71 4-variant 1. (l22+x)-291 = 157 2. (x+33)-39 = 82 3. (l22+x)-291 = 157 4. (x+33)-39 = 82 _____________________________________________________________________________ 5-variant 1. 1306 + x = 2176 2. 2609-z = 1423 3. 8:22+4-3-10 4. 3+3-2(7-2-4):3 _____________________________________________________________________________ 6-variant 1. у - 6...

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