Question

56:7+12=
9×8+154=
400-8×7=

Answer 1

20
226
344
..............

Answer 2

$1)56 \div 7 + 12 = 8 + 12 = 20 \\ 2)9 \times 8 + 154 = 72 + 154 = 226 \\ 3)400 - 8 \times 7 = 400 - 56 = 344$