19.8 divided by 3.3, simple calculation, important process

19.8÷3.3=1.8×11÷=1.8×11×1/11×0.3=1,8×1/0.3=6

RELATED INFORMATIONS

1. If both sides of the equation multiply or divide by 12.3, the left and right sides are still equal. If both sides of the equation add or subtract 3.5, the left and right sides are still equal
2. (2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1) It should be simple
3. Let A1, A2, A3 and an be positive numbers, and prove the inequality (a1 + A2 +. + an) (1 / A1 + 1 / A2 +. + 1 / an) ≥ n & # 178;
4. If x > 1, Y > 1 and X + y = 20, then the maximum value of lgx + lgY is?
5. Given that a and B are two of the equations x ^ 2 + (M + 2) x + 1 = 0, then the value of (a ^ 2 + Ma + 1) (b ^ 2 + MB + 1) is
6. The product of two prime numbers is 99. Find the sum of these two prime numbers
7. As shown in the figure, ⊙ o is the circumscribed circle of the quadrilateral ABCD, with the center o on ad, OC ∥ ab. (1) prove that AC bisects DAB; (2) if AC = 8, ad: BC = 5:3, try to find the radius of ⊙ o
8. In known trapezoidal ABCD, AD / / BC, AC, BD intersect at O, passing through o as parallel line of ad intersects AB at m, intersects CD at n, and Mo = N0
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11. 4.75x4 and 3 / 4 + 4 has 3 / 4 + 4 and 3 / 4x4 and 1 / 4 = 3 / 4x58 + 58 divided by 4-64x1 / 4 = 73.8 divided by 9 + 73.8 divided by 1 and 1 / 8= 666.66x7778+333.33x4444= (1 + 1 / 2 + 1 / 3 + 1 / 4 + 1 / 5) x (1 / 2 + 1 / 3 + 1 / 4 + 1 / 5 + 1 / 6) - (1 + 1 / 2 + 1 / 3 + 1 / 4 + 1 / 5 + 1 / 6) x (1 / 2 + 1 / 3 + 1 / 4 + 1 / 5) = simple algorithm
12. Suppose the numbers from a to Z are 1 to 26, then which word's letters add up to 100
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14. What is 3.9 divided by 1.9 times 6?
15. What is the number in the quotient of 1 divided by 7 Good bonus points
16. A few + 8 / 9 + 7 / 12 = 2
17. The reciprocal of a number divided by 16 is ()
18. 15 + [] = 51 - [] requires the same number in brackets of the same formula
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20. Simple calculation 17 * (2 / 19-1 / 17) * 19 Simple calculation 17 * (2 / 19-1 / 17) * 19