What is the value of this expression? 42−{(7+14)÷7}×4 A. 6 B. 28 C.30 D. 156

Question

What is the value of this expression? 42−{(7+14)÷7}×4
A. 6
B. 28
C.30
D. 156

in progress 0
Thu Hương 2 months 2021-07-23T17:01:03+00:00 2 Answers 5 views 0

Answers ( )

    0
    2021-07-23T17:02:23+00:00

    C
    Add 7+14 first and then divided by 7×4 then subtract it by 42

    0
    2021-07-23T17:03:02+00:00

    Answer:

    42−{(7+14)÷7}×4

    42 – {21 ÷ 7} x 4

    42 – 3 x 4

    42 – 12

    30

    Step-by-step explanation:

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )