Uzupełnij :
Macie w zalączniku , ; P
zadanie 6
Uzupełnij:
a) -16 + 48 = 32
16 + (-32) = 16 - 32 = -16
16 + (-48) = 16 - 48 = -32
b) -2.5 + (-7.5) = -2.5 - 7.5 = -10
-2.5 + 12.5 = 10
2.5 + (-5) = 2.5 - 5 = -2.5
c) -⅓ + ⅓ = 0
⅓ + (-⁴/₃) = ⅓ - ⁴/₃ = -³/₃ = -1
-⅓ + ⅔ = ⅓
czyli:
a) 48; -32; -48
b) -7.5; 12.5; -5
c) ⅓; -⁴/₃; ⅔
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zadanie 6
Uzupełnij:
a) -16 + 48 = 32
16 + (-32) = 16 - 32 = -16
16 + (-48) = 16 - 48 = -32
b) -2.5 + (-7.5) = -2.5 - 7.5 = -10
-2.5 + 12.5 = 10
2.5 + (-5) = 2.5 - 5 = -2.5
c) -⅓ + ⅓ = 0
⅓ + (-⁴/₃) = ⅓ - ⁴/₃ = -³/₃ = -1
-⅓ + ⅔ = ⅓
czyli:
a) 48; -32; -48
b) -7.5; 12.5; -5
c) ⅓; -⁴/₃; ⅔