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Ничоси, недавно делали, но я не помню, точные ли ответы
5,4+(3,7-5,4)=5,4-3,7-5,4<span>=3,7
-8,79+(-1,76+8,79)=-8.79-1.79+8.79=-1.79
3.4+(2.9-3.4+4.1)=</span><span>3.4+2.9-3.4+4.1=2.9+4.1=7
(4.67-3.94)+(3.94-3.67)=</span><span>4.67-3.94+3.94-3.67=4.67-3.67=1
7.2-(3.2-5.9)=7.2-3.2+5.9=4+5.9=9.9
(4.8+2.75)-(4.8-3.25)=</span><span>4.8+2.75-4.8+3.25=2.75+3.25=6
</span>-6.9-(4.21-10.9)=<span>-6.9-4.21+10.9=-6.9+10.9-4.21=4-4.21=0.21
</span>(3.72-5.43)-(4.57+3.22)=<span>3.72-5.43-4.57-3.22=3.72-3.22-5.43-4.57=0,5-5.43-4.57=0.5-0.86=-0.36
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5,4+(3,7-5,4)=5,4-3,7-5,4<span>=3,7
-8,79+(-1,76+8,79)=-8.79-1.79+8.79=-1.79
3.4+(2.9-3.4+4.1)=</span><span>3.4+2.9-3.4+4.1=2.9+4.1=7
(4.67-3.94)+(3.94-3.67)=</span><span>4.67-3.94+3.94-3.67=4.67-3.67=1
7.2-(3.2-5.9)=7.2-3.2+5.9=4+5.9=9.9
(4.8+2.75)-(4.8-3.25)=</span><span>4.8+2.75-4.8+3.25=2.75+3.25=6
</span>-6.9-(4.21-10.9)=<span>-6.9-4.21+10.9=-6.9+10.9-4.21=4-4.21=0.21
</span>(3.72-5.43)-(4.57+3.22)=<span>3.72-5.43-4.57-3.22=3.72-3.22-5.43-4.57=0,5-5.43-4.57=0.5-0.86=-0.36
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