用递等式计算
2.23÷40÷0.2520.5×0.52÷6.52.576÷2.8×3.710-0.175÷0.352.5+85÷0.34-12.8918÷(1.38×2.5÷0.46...
2.23÷40÷0.25
20.5×0.52÷6.5
2.576÷2.8×3.7
10-0.175÷0.35
2.5+85÷0.34-12.89
18÷(1.38×2.5÷0.46) 展开
20.5×0.52÷6.5
2.576÷2.8×3.7
10-0.175÷0.35
2.5+85÷0.34-12.89
18÷(1.38×2.5÷0.46) 展开
3个回答
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递等式计算怎么算！
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2.23÷40÷0.25
=2.23÷(40×0.25)
=2.23÷10
=0.223
20.5×0.52÷6.5
=20.5×(0.52÷6.5)
=20.5×0.08
=1.64
2.576÷2.8×3.7
=0.92×3.7
=3.404
10-0.175÷0.35
=10-0.5
=9.5
2.5+85÷0.34-12.89
=2.5+250-12.89
=252.5-12.89
=239.61
18÷(1.38×2.5÷0.46)
=18÷(1.38÷0.46×2.5)
=18÷(3×2.5)
=18÷3÷2.5
=6÷2.5
=2.4
=2.23÷(40×0.25)
=2.23÷10
=0.223
20.5×0.52÷6.5
=20.5×(0.52÷6.5)
=20.5×0.08
=1.64
2.576÷2.8×3.7
=0.92×3.7
=3.404
10-0.175÷0.35
=10-0.5
=9.5
2.5+85÷0.34-12.89
=2.5+250-12.89
=252.5-12.89
=239.61
18÷(1.38×2.5÷0.46)
=18÷(1.38÷0.46×2.5)
=18÷(3×2.5)
=18÷3÷2.5
=6÷2.5
=2.4
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2.23÷40÷0.25
=2.23÷(40×0.25)
=2.23÷10
=0.223
20.5×0.52÷6.5
=20.5×(0.52÷6.5)
=20.5×0.08
=1.64
2.576÷2.8×3.7
=0.92×3.7
=3.404 10-0.175÷0.35
=10-0.5
=9.52.5+85÷0.34-12.89
=2.5+250-12.89
=252.5-12.89
=239.61
18÷(1.38×2.5÷0.46)
=18÷(1.38÷0.46×2.5)
=18÷(3×2.5)
=18÷3÷2.5
=6÷2.5
=2.4
=2.23÷(40×0.25)
=2.23÷10
=0.223
20.5×0.52÷6.5
=20.5×(0.52÷6.5)
=20.5×0.08
=1.64
2.576÷2.8×3.7
=0.92×3.7
=3.404 10-0.175÷0.35
=10-0.5
=9.52.5+85÷0.34-12.89
=2.5+250-12.89
=252.5-12.89
=239.61
18÷(1.38×2.5÷0.46)
=18÷(1.38÷0.46×2.5)
=18÷(3×2.5)
=18÷3÷2.5
=6÷2.5
=2.4
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