Question

1. Oblicz.
plissssss do 9.00

a)35+21=
56-49=
b)5,2+1,43=
0,5×6=
c)3⅗+¹/¹⁰= 2⁷/¹⁵-1⅕=
d)1¾×⁴/⁷= ⁴/⁹÷²/²⁷=​

Answer 1

A) ... = 56
.... = 7
b) ... = 6,63
... = 3
c) ... = 3 6/10 + 1/10 = 3 7/10 = 3,7
... = 2 7/15 - 1 3/15 = 1 4/15
d) ... = 7/4 * 4/7 = 1/1 * 1/1 = 1
... = 4/9 * 27/2 = 2/1 * 3/1 = 2 * 3 = 6
liczę na naj d: