Răspuns:
8,04=804/100=201/25
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(1,8+2,12+5,08)/3=9/3=3
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Ppatrat=4L
64=4L
L=64:4
L=16 cm
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62000m²=62000/10000=6,2 ha
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3/4-1/2=3/4-2/4=1/4=0,25
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(4-3³:9)²⁰¹⁵+5⁰=(4-27:9)²⁰¹⁵+1=(4-3)²⁰¹⁵+1=1²⁰¹⁵+1=1+1=2
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4,7x-24=23
4,7x=23+24
x=47:4,7
x=10
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60/100 din 250=250·60:100=150 ha cultivate cu porumb
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3 ore=180 minute
distanta=150·180=27000 m
27km parcurge in 3 ore
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ultima nu stiu
