Question 1Choose the missing expression:$\frac{?}{18}=\frac{1087-422}{1.4\times5}$. $45\%\times3800$$(9\times5)\times360$$54^2/36$1080$70^2/2$
Question 2Choose the missing expression:$9\times?=7\times\frac{405}{0.3125\times16}$. $45\times7/5$$4^3$$189-122$$107.5-43.5$$50\times120\%$
Question 4Choose the missing expression:$0.85\times220=\frac{?}{25\%\times20}$. $1090-145$935$85+29^2$$31^2-28$945
Question 5Choose the six digits under the same row relationship. 5, 9, 5, 9, 1, 25, 6, 4, 6, 3, 136, 10, 5, 9, 2, 15, 9, 1, 2, 5, 95, 7, 5, 9, 1, 2
Question 6Choose the missing expression:$?+\frac{96+57}{9}=18^2-\frac{1038}{2\sqrt9}$. $\frac{67\times36}{77-59}$$12^2+12$$11^2+45/3$$16^2/2$$96/0.75$
Question 7Choose the missing expression:$\frac{8\times4\times6}{?}=\frac{4\times11\times2\times2\times5.5}{11^2\times0.5}$. $2^3+5$$144/12+2$$3^2+5$$24/3$$2^2\times3$
Question 9Choose the missing expression:$\frac{1053/13}{60\%\times90}=\frac{?}{96}$. 168144$13^2$$\sqrt{196}\times7$$13^2$
Question 12329: 15; 746: 34. Choose the pair with the same relationship. 287: 22698: 62942: 68382: 12749: 35
Question 14Choose the six entries replacing the question marks under the same top-to-bottom rule. 8, 6, 4, 10, 3, 222, 22, 1, 10, 3, 268, 22, 4, 8, 12, 52, 5, 6, 13, 11, 46, 6, 1, 10, 12, 26
Question 17Choose the six numbers under the same position permutation as on the left. 4, 5, 3, 1, 9, 51, 3, 5, 6, 4, 99, 5, 1, 6, 3, 48, 2, 7, 9, 3, 62, 4, 8, 1, 3, 5