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99x6.7+0.67简便计算

原式=9.9x6.7+1x0.67=9.9x6.7+0.1x6.7=(9.9+0.1)x6.7=10x6.7=67

6.7*9.9+0.67*2=6.7*9.9+6.7*0.2=6.7*(9.9+0.2)=6.7*10.1=6.7*(10+0.1)=6.7*10+6.7*0.1=67+0.67=67.67

9.9*6.7+0.67=9.9*6.7+6.7*0.1=9.9+0.1*6.7=10*6.7=67

99x67十67=67x(99+1)=67x100=6700 希望对你有帮助,满意请及时采纳,你的采纳是我回答的动力!

33x6.7+0.67x67=33x6.7+6.7x6.7=6.7x(33+6.7)=6.7x39.7=265.99数有问题,不算简算.

你好!0.69乘(67+33)=69 如有疑问,请追问.

=0.67x100=670

9.9*6.7 = 66.33

解:6.7x0.7+0.2x6.7+0.67=6.7x0.7+0.2x6.7+6.7x0.1=6.7x(0.7+0.2+0.1)=6.7x1=6.7

6.7x9.9+0.67=6.7x9.9+6.7*0.1=6.7x(9.9+0.1)=6.7*10=67

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