Załącznik (w kółkach) na poniedziałek.
5.7
a)15-(-17) = 15 + 17 = 32
21- (-13) = 21 +13= 34
14-(-8)= 14 +8 =22
41- (-52) = 41 + 52= 93
b) -18 - (-14)= -18 +14 =-4
-5- (-12) = -5 +12 = 7
-11-(-9) = -11 + 9 = -2
-31-(-49) = -31 + 49 = 18
5.8
a) -(-38) = 38
-[-(-61)]= - 61
-{-[-(-75)]}= 75
b) -(41) = -41
-[+(-83)]= 83
-{+[-(+39)]}= 39
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5.7
a)15-(-17) = 15 + 17 = 32
21- (-13) = 21 +13= 34
14-(-8)= 14 +8 =22
41- (-52) = 41 + 52= 93
b) -18 - (-14)= -18 +14 =-4
-5- (-12) = -5 +12 = 7
-11-(-9) = -11 + 9 = -2
-31-(-49) = -31 + 49 = 18
5.8
a) -(-38) = 38
-[-(-61)]= - 61
-{-[-(-75)]}= 75
b) -(41) = -41
-[+(-83)]= 83
-{+[-(+39)]}= 39