以下是1-10手脑速算必背口诀:
乘法口诀:
1 × 1 = 1
2 × 1 = 2
3 × 1 = 3
...
9 × 1 = 9
10 × 1 = 10
加法口诀:
1 + 1 = 2
2 + 1 = 3
3 + 1 = 4
...
9 + 1 = 10
10 + 1 = 11
减法口诀:
2 - 1 = 1
3 - 1 = 2
4 - 1 = 3
...
10 - 1 = 9
平方口诀:
1² = 1
2² = 4
3² = 9
...
9² = 81
10² = 100
立方口诀:
1³ = 1
2³ = 8
3³ = 27
...
9³ = 729
10³ = 1000
平方根口诀:
√1 = 1
√4 = 2
√9 = 3
...
√81 = 9
√100 = 10
百分比口诀:
1% = 0.01
2% = 0.02
3% = 0.03
...
9% = 0.09
10% = 0.1
除法口诀:
1 ÷ 1 = 1
2 ÷ 1 = 2
3 ÷ 1 = 3
...
9 ÷ 1 = 9
10 ÷ 1 = 10
十进制转分数口诀:
1/10 = 0.1
2/10 = 0.2
3/10 = 0.3
...
9/10 = 0.9
10/10 = 1
分数转百分比口诀:
1/10 = 10%
2/10 = 20%
3/10 = 30%
...
9/10 = 90%
10/10 = 100%
这些口诀可以帮助你在手脑速算中快速计算和记忆数字。通过反复练习和应用,你会逐渐熟练掌握这些口诀,提高你的计算速度和准确性。