Oblicz : a) (1 i 2\5 + 0,5 ) :2 = b) 4\7*(0,2+1\4)=
a) (1i2\5 +0,5):2=(1i2\5+1\2):2=(1i4\10+2\10):2=1i6\10 :2= 1i6\10:2\1=1i6\10*1\2=16\10*2\1=32\10=3i1\5
b) 4\7*(0,2+1\4)=4\7*(1\5+1\4)=4\7*(4\20+5\20)=4\7*9\20=1\4*9\5=9\35
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a) (1i2\5 +0,5):2=(1i2\5+1\2):2=(1i4\10+2\10):2=1i6\10 :2= 1i6\10:2\1=1i6\10*1\2=16\10*2\1=32\10=3i1\5
b) 4\7*(0,2+1\4)=4\7*(1\5+1\4)=4\7*(4\20+5\20)=4\7*9\20=1\4*9\5=9\35
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