Đang tải... (xem toàn văn)
30 70 100 4 15 = 8 10 = 12 15 = 20 25 3 7 + 1 6 = 25 42 25 42 − 1 6 = 4 5 × 11 12 = 11 15 11 15 ÷ 4 5 = 27 × 36 27 × 18 = 2 7 × 3 6 = 352 × 48 = 16896 16896 ÷ 24 = 0 427 6 20 15 − 3 × 7 = −6 3 + 5 × 4[.]
30 70 100 12 20 = = = 15 10 15 25 25 + = 42 25 − = 42 11 11 × = 12 15 11 ữ = 15 27 ì 36 27 ì 18 = 2.7 × 3.6 = 352 × 48 = 16896 16896 ÷ 24 = 0.427 20 15 − × = −6 + × = 32 × + = 20 28.3 − 1.64 + 0.57 91 8+ + 10 100 9, 2, 8, + – 123 45 67 89 = 100 180 = × × × × 4𝑥 − = 2𝑥 + 𝑥 1 of of of 360 ? 70 = 75 = 16 807 71 = 76 = 117 649 72 = 49 77 = 823 543 73 = 343 78 = 764 801 74 = 401 49 × 343 = 16 807 764 801 823 543 117 649 401 𝟕𝟔 𝟕𝟏𝟐 × 𝒏 𝑛 0.8𝑛 𝑛 0.8 √𝑛 𝑛 𝒏=𝟏 𝒏=𝟒 𝑛 ...4 12 20 = = = 15 10 15 25 25 + = 42 25 − = 42 11 11 × = 12 15 11 ÷ = 15 27 × 36 27 × 18 = 2.7 × 3.6 = 352 ì 48 = 16896 16896 ữ 24 = 0.427 20 15 − × =... +