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54+26= 984-423= 25×3= 0×769= 300×4=
205+398≈ 196×4≈ + = - = 1- =
380×5= 38+14= 92-6= 273×0=
+ = - = 98×6≈ 7×802≈
598+203≈ 650-129≈
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