Question 124 Fill in the blank to make the statement true. 2395 × _____ = 6195 × 2395
6195 If a and b are two whole numbers, then a×b = b×a
Question 28
Fill in the blank to make the statement true (613)10÷[(613)5]2=__
Question 52
Fill in the blanks to make the statement true.
23 × (-99) = ___ × (-100 + ___) = 23 × ___ + 23 × ___ .
Question 30
Fill in the blank to make the statement true (1314)5÷__=(1314)3
Question 34
Fill in the blank to make the statement true 729 = __