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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: 300g=–..kg 1500g=–…kg 235g=–.kg 95g=–..kg 1,7 ta=–.kg

Toán Lớp 5: 300g=……….kg
1500g=………..kg
235g=………kg
95g=……….kg
1,7 ta=………kg

Comments ( 2 )

  1. 300g=0,3kg vì 1000g = 1kg =) 300g = 300 : 100 = 0,3kg
    1500g=1,5kgvì 1000g = 1kg =) 1500g = 1500 : 1000 = 1,5kg
    235g=0,235kg vì 1000g = 1kg =) 235g = 235 : 1000 = 0,235kg
    95g=0,095kg vì 1000g = 1kg =) 95g =  95 : 1000 =0,095kg
    1,7 tạ= 170 kg vì 1 tạ = 100kg =) 1,7 tạ = 1,7 xx 100 = 170kg
     

  2. 300g=0,3kg
    1500g=1,5kg
    235g=0,235kg
    95g=0,095kg
    1,7 tạ=170kg
    ->1g=1/1000 kg
    ->1kg=1000g
    ->1 tạ=100kg
     

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222-9+11+12:2*14+14 = ? ( )