简便计算:2.4+18/5-3.6÷6/5,1.72÷4+6.28x25%, 25x2.4÷25-
简便计算:2.4+18/5-3.6÷6/5,1.72÷4+6.28x25%,25x2.4÷25-2.1...
简便计算:2.4+18/5-3.6÷6/5,1.72÷4+6.28x25%,
25x2.4÷25-2.1 展开
25x2.4÷25-2.1 展开
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简便计算:
2.4+18/5-3.6÷6/5
=2.4+3.6-3
=6-3
=3
1.72÷4+6.28x25%
=1.72×1/4+6.28×1/4
=(1.72+6.28)×1/4
=8×1/4
=2
25x2.4÷25-2.1
=(25÷25)×2.4-2.1
=2.4-2.1
=0.3
2.4+18/5-3.6÷6/5
=2.4+3.6-3
=6-3
=3
1.72÷4+6.28x25%
=1.72×1/4+6.28×1/4
=(1.72+6.28)×1/4
=8×1/4
=2
25x2.4÷25-2.1
=(25÷25)×2.4-2.1
=2.4-2.1
=0.3
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