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19. which of the following statement is truea. 7- 4 = 4-7b. 7-4 > 4-7c. 7-4< 4-7d. 7-4= -320.choose approprite number for blank :-7-(-)=2a. 5b. -5c. 9d. -921. multipllation of -2,-7 and - 10 givesa. -7b. 12c. -12d. 7 22. multiplication of -2,5 and 0 givesa.10b. 0c. -10d. 7 |
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Answer» 19. A ) 7-4 =4-7 20.C ) 9 21. B ) 12 22. A ) 10 |
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