Toán Lớp 4: 15 dm vuông 5 cm vuông bằng bao nhiêu cm vuông
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Toán Lớp 4: 15 dm vuông 5 cm vuông bằng bao nhiêu cm vuông
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Có: $1dm^{2}$ = $1000cm^{2}$
-> $15dm^{2}$ = $1500cm^{2}$
$5cm^{2}$ = $5cm^{2}$
=> $15dm^{2}$ $5cm^{2}$ = $1505cm^{2}$
Vậy $15dm^{2}$ $5cm^{2}$ = $1505cm^{2}$
15 $dm^2$ 5 $cm^2$ = 1500 $cm^2$ + 5 $cm^2$ = 1505 $cm^2$