1.25乘8.88
=1.25*8*1.11
=10*1.11
=11.1
9.8乘4.7+9.8+6.3乘9.8
=9.8*(4.7+1+6.3)
=9.8*12
=(10-0.2)*12
=10*12-0.2*12
=120-2.4
=117.6
(0.69乘99+0.69)除以0.23
=0.69*(99+1)/0.23
=0.69*100/0.23
=69/0.23
=300
7.64-(6.9-0.6乘0.6)
=7.64+0.36-6.9
=8-6.9
=1.1
l列豎式計算
l列豎式計算
1.25乘8.88 9.8乘4.7+9.8+6.3乘9.8 (0.69乘99+0.69)除0.23
7.64-(6.9-0.6乘0.6)
能簡算的簡算
1.25乘8.88 9.8乘4.7+9.8+6.3乘9.8 (0.69乘99+0.69)除0.23
7.64-(6.9-0.6乘0.6)
能簡算的簡算
數學人氣:636 ℃時間:2020-02-02 23:43:50
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