Uprość wyrażenia i oblicz.
a)-[-(-4)]-(-3,2)
b)15,2-[-(-10 i 3/4)]
c)-45+[-(-13 i 1/3)]
d)-(-39 i 2/5)-57
e)-(-40,2)-(-3,85)
f)-[-(20 i 3/8)]-(-50)
g)-[-(-102)]-(5 i 2/7)
h)-63 i 2/3+[-(-300)]
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a)-[-(-4)]-(-3,2)=-4+3,2=-0,8
b)15,2-[-(-10 i 3/4)]=15,2-10 3/4=15,2 -10,75=4,45
c)-45+[-(-13 i 1/3)]=-45 +13 1/3= -32 1/3
d)-(-39 i 2/5)-57=39 2/5 -57 = -18 2/5
e)-(-40,2)-(-3,85) = 40,2 +3,85= 44,05
f)-[-(20 i 3/8)]-(-50)=20 3/8 +50 = 70 3/8
g)-[-(-102)]-(5 i 2/7)= -102 - 5 2/7 =-107 2/7
h)-63 i 2/3+[-(-300)]=-63 2/3 +300= 237 2/3