wpisz znaki działań tak, aby również były prawdziwe:
a)1 2 3 4 5 =1
4 3 2 1 =14
b)1 2 3 4 5=9
5 4 3 2 1=29
1+2-3-4+5=1
4*3+2:1=14
1+2-3+4+5=9
(5+4)*3+2*1=29
4x3+2x1=14
5+4x3+2x1=29
a)1 + 2 - 3 - 4 + 5 == 3 - 3 - 4 + 5 =
= 0 - 4 + 5 = = -4 + 5 == 14 * 3 + 2 * 1 == 12 + 2 == 14b)1 * 2 + 3 * 4 - 5 = 2 + 12 - 5 = = 14 - 5 =95 * 4 * 3 : 2 - 1 = = 20 * 3 : 2 - 1 == 60 : 2 - 1 == 30 - 1 = = 29
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1+2-3-4+5=1
4*3+2:1=14
1+2-3+4+5=9
(5+4)*3+2*1=29
1+2-3-4+5=1
4x3+2x1=14
1+2-3+4+5=9
5+4x3+2x1=29
a)1 + 2 - 3 - 4 + 5 =
= 3 - 3 - 4 + 5 =
= 0 - 4 + 5 =
= -4 + 5 =
= 1
4 * 3 + 2 * 1 =
= 12 + 2 =
= 14
b)1 * 2 + 3 * 4 - 5
= 2 + 12 - 5 =
= 14 - 5
=9
5 * 4 * 3 : 2 - 1 =
= 20 * 3 : 2 - 1 =
= 60 : 2 - 1 =
= 30 - 1 =
= 29