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Simple calculation problems in the second volume of the fourth grade
9.43÷25÷0.04 5959 x65÷59-65 800÷0.82÷5÷4÷ 1.25 4343 x58÷43-58

7.6÷5.4÷ 1.9x 5.4 4.8÷3.9÷ 1.2x 3.9 12.5÷(50÷8)40÷(20÷2.5)

7.2x 10 1 67.8 x 2.6+6.78 x 33+0.3 1x 678+67.8(5.6+6.3)÷0.7(0.54+0.8 1)÷0.09

52.3÷8÷0.25 19.6÷5÷2 3.6x 4.2+29.3 x4+32.9 x4 8÷0.25 2.5x 12

29+299+2999+29999 4.44 x5x 5 2222 x 3.5+93x 1 1 1 1