【简答题】Fill in the missing number: 0, 1, 1, 2, 3, 5, 8, 13, ? , 34, 5
【简答题】(1) 8×(- 3 4 )×(-4)×(-2) ; (2) (-13 1 3 )÷(-5)+(-6 2 3 )÷(-5) .
【简答题】(1) 8× 3 4 (2) 5 18 ×9 (3) 28× 6 7 (4) 5 14 ×21 .
【简答题】直接写得数 (1)1-45%= 4÷ 4 5 = 3 5 + 2 5 = (2) 16 17 ÷8= 1 7 ÷ 1 14 = 6 7 ÷6= (3) 2 3 ÷ 2 3 × 2 3 = 5 6 + 1 6 × 3 4 = (4) 5 4 ×8+8× 1 4 = 5- 3 4 + 1 4 =
【简答题】计算: ①8+(-10)+(-2)-(-5) ②(-5)÷( - 5 4 ) ③-36÷(-6)-72÷(-8) ④8×( - 4 5 )÷|-16| ⑤(-24)×(- 1 2 + 3 4 - 1 3 ) ⑥(- 1 2 )+( - 3 4 )-(-1 3 4 )+(+1.5) ⑦18×( - 2 3 )+13× 2 3 -4× 2 3 ⑧-3 2 -[1-(-2) 3 ]÷(-3)
【简答题】______× 6 7 =8×______= 3 4 ÷______= 1 6 +______=1.
【简答题】在数列1 , 1 , 2 , 3 , 5 , 8 , 13, ,34,…中, =_______
【简答题】3 4 ×2 = 1 6 + 1 2 = 5 9 ÷5 = 1 12 × 6 7 = 3 4 ÷3 = 5 4 × 5 4 = 5 8 ÷1 = 5- 2 3 = 3 9 ×12 = 3 5 × 5 12 = 4- 2 3 = 7 12 ×3 = 2 7 ÷14 = 8+ 3 5 = 0× 13 30 = 39× 3 13 = 8× 1 2 = 5 6 ÷ 3 4 = 4× 12 7 = 20÷ ...
【简答题】用递等式计算 ①34÷6 ②659×8 ③67÷5 ④246×8 ⑤78÷6.