20 questions
Which simplification is correct?
(each problem is division and then multiplication)
Which expression simplifies to 7?
40 - [ 3 + (6 x 5) ]
(7 ÷ 7) + (7 ÷ 7)
(49 ÷ 7) x 7
21 ÷ [ (15 ÷ 3) + 2 ]
6 + ( 21.2. x 3) ÷ 4 =
21.9
17.4
22.4
7.4
6 + 32 x 4 - 22 ÷ 4 =
51
41
14
18
[ 15 + ( 6 x 2 ) x 42 ] + 6 =
313
438
213
117
12 ÷ 2 x 3 + ( 43 - 12 ) =
18
54
68
70
3 x ( 144 ÷ 12 - 4 ÷ 2 ) =
26
30
14
12
72 - 10 ÷ 2 x ( 3 x 4 ) =
12
68
372
8
10 + 18 ÷ 9 x ( 7 - 4 ) =
9
14
16
26
( 9 x 2 ) - ( 2 x 5 ) =
8
180
18
115
{ 14 + [ 3 x 2 ] x 4 } ÷ 2 =
50
18
40
19
144 + 12 - 16 ÷ 4 x 2 - 9 =
61
139
147
51
33 x 42 - ( 9 x 2 ) + 13 =
427
57
401
66
4.3 x 2.4 + 22 - ( 4 x 3 ) + 52 =
30.32
35.32
45.32
40.32
9 + 4 x 4 ÷ 8 x 3 - 2 x 6 =
8
2.3
10.95
3