Question

Calculează: a)35+42:7x4-19 b)92-21:3x9+86 c)6x6:4+28:4 d)81:9x7-27:9 e)127+18:3x8-4x9 f)4+4x4:2+9x6

Answer 1

35+42:7*4-19

35+6*4-19

35+24-19

59-19

40

92-21:3*9+86

92-7*9+86

92-63+86

29+86

115

6*6:4+28:4

36:4+7

9+7

16

81:9*7-27:9

9*7-3

63-3

60

127+18:3*8-4*9

127+6*8-36

127+48-36

175-36

139

4+4*4:2+9*6

4+16:2+54

4+8+54

12+54

66

Answer 2

a) 35+42:7x4-19 =

= 35+6x4-19 =

= 35+24-19 =

= 59-19 =

= 40

b) 92-21:3×9+86 =

= 92-7x9+86 =

= 92-63+83 =

= 29+83 =

= 112

c) 6x6:4+28:4 =

= 24:4+7 =

= 6+7 =

= 13

d) 81:9×7-27:9=

= 9×7-3 =

= 63-3 =

= 60

e) 127+18:3×8-4×9 =

= 127+6×8-36 =

= 127+48-36 =

= 175-36 =

= 139

f) 4+4×4:2+9×6 =

= 4+16:2+54 =

= 4+8+54 =

= 12+54 =

= 66