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列竖式计算了26x3.45

解:26x3.45=89.7 ..................3.45 ...............X....26 ..........—————— .................2070 ...........+....690 ..........—————— .................89.70

1.59+3.95= 6.54+0.58= 54.49-22.5= 23.5+21.35= 9.36+43.56= 16.65+18.87= 0.99+24.85= 9.45-6.61= 85.69-48.58= 45.46-26.57= 64.19-29.57= 33.84+16.5= 3.85+61.18= 35.65-19.9= 6.49-4.81= 35.4-24.58= 52.65+9.25= 21.65+4.05= 26.65-15.24...

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