Matematika

Pertanyaan

3,14 cm² + 2 dm² =.......... m²
1.000 m² + 2 hm² = .........are
3.000 m² + 250 are = ......hekteare
10 hekteare + 1000 dam² =.......km²
0,04 hekteare + 10 are =........dm²

1 Jawaban

  • ~3,14cm²+2dm²=0,020314m² (3,14:10.000=0,000314)+(2:100=0,02)= 0,000314+0,02=0,020314
    ~1.000m²+2hm²= 210 are (1.000:100=10)+(2×100=200)=10+200=210
    ~3.000m²+250are= 0,55 hektare (3.000:10.000=0,3)+(250:100=0,25)=0,3+0,25=0,55
    ~10hektare+1000dam²= 0,2 km² (10:100=0,1)+(1000:10000=0,1)=0,1+0,1=0,2
    0,04hektare+10are= 140000 dm² (0,04×1000000=40000)+(10×10000=100000) =40000+100000=140000

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