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Matematyka wokół nas 1

[−2,25−(−487​)]⋅8=(−241​+487​)⋅8=

&nbsp; 4,2⋅331​⋅(−6)+[165​−2,75​]=

3383​<svg xmlns="http://www.w3.org/2000/svg" width='400em' height='2.48em' viewBox='0 0 400000 2592' preserveAspectRatio='xMinYMin slice'><path d='M424,2478
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h400000v40h-400000z'/></svg>​+(−3)2⋅x−(1−241​)2=13167​ 3827​<svg xmlns="http://www.w3.org/2000/svg" width='400em' height='2.48em' viewBox='0 0 400000 2592' preserveAspectRatio='xMinYMin slice'><path d='M424,2478
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s209,968,209,968c0,-2,84.7,-361.7,254,-1079c169.3,-717.3,254.7,-1077.7,256,-1081
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c-2,6,-10,9,-24,9
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h400000v40h-400000z'/></svg>​+9⋅x−(−141​)2=13167​

3,2:1151​⋅(−65​)=3102​:1516​⋅(−65​)=1032​⋅1615​⋅(−65​)=21​⋅11​⋅(−15​)=−25​

1169​<svg xmlns="http://www.w3.org/2000/svg" width='400em' height='2.48em' viewBox='0 0 400000 2592' preserveAspectRatio='xMinYMin slice'><path d='M424,2478
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1058−134 jest: 6 ponieważ ostatnia cyfrą liczby 1058 jest 0 i przy odejmowaniu pisemnym będzie 10-4=6&nbsp;

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