Выполните сложение.
1) 7,29 + (-5,126) + (-6,29) + 5,126
2) 24,35 + (-72,61) + 42,61 + (-13,35)
3) -6,38 + (-173) + 5,38+ 1,73
4) -3,72 + 9,84 + 1,72 + (-20,84)
1) 7,29 + (-5,126) + (-6,29) + 5,126
2) 24,35 + (-72,61) + 42,61 + (-13,35)
3) -6,38 + (-173) + 5,38+ 1,73
4) -3,72 + 9,84 + 1,72 + (-20,84)
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1)7,29+(-5,126)+(-6,29)+5,126=
=7,29-5,126-6,29+5,126=1
2)24,35+(-72,61)+42,61+(-13,35)=
=24,35-72,61+42,61-13,35=-19
3)-6,38+(-173)+5,38+1,73=
=-6,38-173+5,38+1,73=-172,27
4)-3,72+9,84+1,72+(-20,84)=
=-3,72+9,84+1,72-20,84=-13