Rozwiążcie :
1) [(-3 ¹₄ )-4 ] 5 ¹₂ =
2) ( -3 ) · ( ¹₂ ) + ₆⁵ =
3) ⁷₉ + ₂¹ : ⁵₆ =
4) 6 - ¹₂ · 8 + 8 ¹₂ : ³₈ =
[- 7¼]×5½=
-²⁹/₄ × ¹¹/₂ =
-³¹⁹/₈=
-39⅞
-³/₂ +⅚ =
-⁹/₆ + ⅚ =
-⁴/₆ =
- ⅔
⁷/₉ +½ ÷ ⅚ =
⁷/₉ +½×⁶/₅=
⁷/₉ +⅗ =
³⁵/₄₅ + ²⁷/₄₅ =
⁶²/₄₅=
1¹⁷/₄₅
4) 6 - ¹₂ · 8 + 8 ¹₂ : ³₈=
6 -½ × 8 + 8½ ÷ ⅜=
6 - 4 + ¹⁷/₂ × ⁸/₃ =
2 +⁶⁸/₃=
2+ 22 ⅔=
24⅔
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1) [(-3 ¹₄ )-4 ] 5 ¹₂ =
[- 7¼]×5½=
-²⁹/₄ × ¹¹/₂ =
-³¹⁹/₈=
-39⅞
2) ( -3 ) · ( ¹₂ ) + ₆⁵ =
-³/₂ +⅚ =
-⁹/₆ + ⅚ =
-⁴/₆ =
- ⅔
3) ⁷₉ + ₂¹ : ⁵₆ =
⁷/₉ +½ ÷ ⅚ =
⁷/₉ +½×⁶/₅=
⁷/₉ +⅗ =
³⁵/₄₅ + ²⁷/₄₅ =
⁶²/₄₅=
1¹⁷/₄₅
4) 6 - ¹₂ · 8 + 8 ¹₂ : ³₈=
6 -½ × 8 + 8½ ÷ ⅜=
6 - 4 + ¹⁷/₂ × ⁸/₃ =
2 +⁶⁸/₃=
2+ 22 ⅔=
24⅔