1.Od sumy liczb - 3 5/8 i 4,125 odejmnij różnice liczby -11 3/4 i liczby -4,25
2..
a 2,7 - 3 1/3 - 1,3 - 2/3-5,7+9,3
b.-10 3/4 - 3,4 + 1/7 - 0,25 + 3 2/5
c.-6 1/8 - 0,25 + 6,125 - 4 1/4
d.-1,125 + 2,68-0,125+10,25+1,32-11
dam naj :(
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1. 3 5/3+4,125=3,625+4,125=7,75
11 3/4+4,25= 11,75+4,25=16
7,75-16=-8,25
2.
a. 2,7 - 3 1/3 - 1,3 - 2/3-5,7+9,3= 27/10-10/3-13/10-2/3-57/10+93/10=81/30-100/30-39/30-20/30-171/30+279/30=1
b.-10 3/4 - 3,4 + 1/7 - 0,25 + 3 2/5= -44/4-34/10+1/7-1/4+17/5=-44/4-34/10+1/7+17/5=-11-3,4+5/35+119/35=-14,4+124/35=-144/10+124/35=-1008+248/70=-10 1/7
c.-6 1/8 - 0,25 + 6,125 - 4 1/4= -6,125-0,25+6,125-4,25=4
d.-1,125 + 2,68-0,125+10,25+1,32-11=2