|
1) Chose the correct of operation. 45 ÷ 9 • 5 • ÷ 1) Simplify 45 ÷ 9 • 5 • 5 1) Simplify 5 • 5 2) 16 - 4• 2 • - 2) 16 - 4• 2 16 - 3) [52 - ( 12 ÷ 4 )] + 7 - + ÷ ex 3) [52 - ( 12 ÷ 4 )] + 7 [52 - ] + 7 3) [52 - 3 ] + 7 ex + - 3) [ - 3 ] + 7 [52 - 3 ] + 7 3) [ 25 - 3 ] + 7 + - 3) [ 25 - 3 ] + 7 + 7 4) 36 - 23 • 2 - • ex 4) 36 - • 2 36 - 23 • 2 4) 36 - 8 • 2 - • 4) 36 - 8 • 2 36 - 4) 36 - 8 • 2 36 - 16 5) 27 ÷ 3 - 4 • 2 + 7 ÷ • - + 5) 27 ÷ 3 - 4 • 2 + 7 - 4 • 2 + 7 5) 27 ÷ 3 - 4 • 2 + 7 9 - 4 • 2 + 7 - • + 5) 9 - 4 • 2 + 7 9 - + 7 5) 9 - 8 + 7 + - 5) 9 - 8 + 7 + 7 6) 36 ÷ ( 4 + 5 ) ( 12 - 4 ) ÷ 2 = In the numerator I should ÷ + 6) 36 ÷ ( 4 + 5 ) ( 12 - 4 ) ÷ 2 = 36 ÷ ( ) 6) 36 ÷ ( 4 + 5 ) ( 12 - 4 ) ÷ 2 In the denominator I should: = − 36 ÷ 9 ÷ 6) 36 ÷ ( 4 + 5 ) ( 12 - 4 ) ÷ 2 = 36 ÷ 9 ( ) ÷ 2 6) 36 ÷ 9 8 ÷ 2 = = 7) [ (12 ÷ 3) + (4 • 5)] - 3 + - ÷ • 7) [ (12 ÷ 3) + (4 • 5)] - 3 [ ( ) + (4 • 5)] - 3 7) [ (12 ÷ 3) + (4 • 5)] - 3 [ 4 + (4 • 5)] - 3 + • - 7) [ 4 + ( )] - 3 [ 4 + (4 • 5)] - 3 7) [ 4 + 20 ] - 3 - 3 8) 28 - 9 • 2 + 3 - • + 8) 28 - 9 • 2 + 3 28 - + 3 8) 28 - 18 + 3 - + 8) 28 - 18 + 3 + 3 |