Question

直接写得数．1÷ 4 9 = 3 4 × 5 9 = 2 3 + 1

直接写得数．1÷ 4 9 = 3 4 × 5 9 = 2 3 + 1 4 = 2- 3 5 = 4.2×0.5= 6.4-3.25= 9.3÷0.03= 44÷ 11 10 = 1 3 ÷2÷ 1 3 = 9- 8 17 - 9 17 =

Answer 1

1÷ 4 9 = 9 4                   3 4 × 5 9 = 5 12                2 3 + 1 4 = 11 12                   2- 3 5 = 1 2 5        4.2×0.5=2.1                  6.4-3.25=3.15           9.3÷0.03=310             44÷ 11 10 =40      1 3 ÷2÷ 1 3 = 1 2                    9- 8 17 - 9 17 =8