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

Toán Lớp 5: 4tấn52yến=-kg 2tấn135kg=..tấn 21tấn6kg=…tấn 45kg23g=-.kg 72000yến=-.tấn 35kg23g=-.kg 520g=-.kg 2kg30g=-.kg 20kg3g=.

Toán Lớp 5: 4tấn52yến=….kg
2tấn135kg=..tấn
21tấn6kg=…tấn
45kg23g=…..kg
72000yến=…..tấn
35kg23g=…..kg
520g=…..kg
2kg30g=…..kg
20kg3g=……kg
3206g=…kg……g

Comments ( 2 )

  1. 4 tấn 52 yến = 4 × 1000 + 52 × 10 = 4000 + 520 = 4520 kg
    2 tấn 135 kg = 2 + 135 : 1000 = 2 + 0,135 = 2,135 tấn
    21 tấn 6 kg = 21 + 6 : 1000 = 21 + 0,006 = 21,006 tấn
    45 kg 23 g = 45 + 23 : 1000 = 45 + 0,023 = 45,023 kg
    72000 yến = 72000 : 100 = 720 tấn
    35 kg 23 g = 35 + 23 : 1000 = 35 + 0,023 = 35,023 kg
    520 g = 520 : 1000 = 0,52 kg
    2 kg 30 g = 2 + 30 : 1000 = 2 + 0,3 = 2,3 kg
    3206 g = 3206 : 1000 = 3,206 kg =  3 kg 206 g
    #dtkc
     

  2. 4 $\text {tấn}$ 52 $\text {yến}$ = 4520 $\text {kg}$
    2 $\text {tấn}$ 135 $\text {kg}$ = 2,135 $\text {tấn}$
    21 $\text {tấn}$ 6 $\text {kg}$ = 21,006 $\text {tấn}$
    45  $\text {kg}$ 23 $\text {g}$ = 45,023 $\text {kg}$
    72000 $\text {yến}$ = 720 $\text {tấn}$
    35 $\text {kg}$ 23 $\text {g}$ = 35,023 $\text {kg}$
    520 $\text {g}$ = 0,52 $\text {kg}$
    2 $\text {kg}$ 30 $\text {g}$ =  2,03 $\text {kg}$
    20 $\text {kg}$ 3 $\text {g}$ = 20,003 $\text {kg}$
    3206 $\text {g}$ = 3 $\text {kg}$ 206 $\text {g}$
    $\text {@lamtung2007}$
     

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

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