1) 9¾×(x+y), x=3⅓, y=5¹/¹³.
9¾×(3⅓+5¹/¹³) = 9¾×(3¹³/³⁹+5³/³⁹) = 9¾×8¹⁶/³⁹ = 39/4 × 328/39 = 328/4 = 82.
2) 11⅗×x - 5⅓×y, x=2½, y=1⅕.
11⅗×2½ - 5⅓×1⅕ = 58/5 × 5/2 - 16/3 × 6/5 = 58/2 - 32/5 = 29 - 6,4 = 22,6.
1) 9¾×(x+y), x=3⅓, y=5¹/¹³.
9¾×(3⅓+5¹/¹³) = 9¾×(3¹³/³⁹+5³/³⁹) = 9¾×8¹⁶/³⁹ = 39/4 × 328/39 = 328/4 = 82.
2) 11⅗×x - 5⅓×y, x=2½, y=1⅕.
11⅗×2½ - 5⅓×1⅕ = 58/5 × 5/2 - 16/3 × 6/5 = 58/2 - 32/5 = 29 - 6,4 = 22,6.