题目内容
化简比:
0.2:4 16米:12厘米 76:19
:
:
.
0.2:4 16米:12厘米 76:19
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0.2:4,
=(0.2×5):(4×5),
=1:20;
16米:12厘米,
=1600厘米:12厘米,
=1600:12,
=(1600÷4):(12÷4),
=400:3;
76:19,
=(76÷19):(19÷19),
=4:1;
:
,
=(
×4):(
×4),
=2:3;
:
,
=(
×
):(
×
),
=3:2.
=(0.2×5):(4×5),
=1:20;
16米:12厘米,
=1600厘米:12厘米,
=1600:12,
=(1600÷4):(12÷4),
=400:3;
76:19,
=(76÷19):(19÷19),
=4:1;
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=(
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=2:3;
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=(
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| 15 |
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=3:2.
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