Oblicz 20% wartości wyrażenia:
-[-10+(-18)]-[-(-2)-(-16)]+100
dam naj
-[-10+(-18)]-[-(-2)-(-16)]+100=-(-28)-(2+16)+100=28-18+100=10+100=110
20%·110=0.2·110=22
-[-10+(-18)-[-(-2-(-16)]+100=-[-28-[-14]+100=-14+100=86
86*20%=17,2
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-[-10+(-18)]-[-(-2)-(-16)]+100=-(-28)-(2+16)+100=28-18+100=10+100=110
20%·110=0.2·110=22
-[-10+(-18)-[-(-2-(-16)]+100=-[-28-[-14]+100=-14+100=86
86*20%=17,2