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55.4除以0.25怎么列竖式计算

221.6

59.4÷0.55 = 108本题除得尽:

8.4÷0.55 =840 ÷ 55 = 15.27 (27循环,需要点点) 具体见图:

55减4.5除以2.5除以四的脱式计算。 55-4.5÷2.5÷4 =55-0.45 =54.55.

576÷36=16 1 6365 7 6 3 6 2 1 6 2 1 6 0679×13=8827 6 7 9× 1 3 . 2 0 3 7 3 7 9 8 8 2 7440÷55=8 8554 4 0 4 4 0 0

22×4=8855×2=110105×3=315210×4=840

1十4十7十…………十55十58 =(1+58)×20÷2 =59×20÷2 =590

脱式计算 942÷37.68+55.4 =25+55.4 =80.4

(1)1.6×55.4-55.4×0.6-55.4,=(1.6-0.6-1)×55.4,=0×55.4,=0;(2)17.68÷5.2+2.7×1.5,=3.4+4.05,=7.45;(3)4.8×0.25,=(1.2×4)×0.25,=1.2×(4×0.25),=1.2×1,=1.2.

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