Toán Lớp 5: Tính nhanh: 1/4:0,25-1/8:0,125+1/2:0,5+1/10:0,1
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Toán Lớp 5: Tính nhanh: 1/4:0,25-1/8:0,125+1/2:0,5+1/10:0,1
Trả lời giúp mình nha cảm ơn!
Comments ( 2 )
1/4 : 0,25 – 1/8 : 0,125 + 1/2 : 0,5 – 1/10 : 0,1
= 1/4 : 1/4 – 1/8 : 1/8 + 1/2 : 1/2 – 1/10 : 1/10
= 1 – 1 + 1 + 1
= 0 + 1 +1
= 1 + 1
= 2
1/4 : 0,25 – 1/8 : 0,125 +1/2 : 0,5 + 1/10 : 0,1
$=$ 1/4 : 1/4 – 1/8 : 1/8 + 1/2 : 1/2 + 1/10 : 1/10
$=$ $1 – 1 + 1 + 1$
$=$ $ 0 + 1 + 1$
$=$ $2$