Simple Addition
39 + 28
67
the third digit of pi
four
85 - 67
18
what the P stands for
parenthesis
16 x 14
224
59 + 36
95
the second digit of pi
one
92 - 49
43
what the e stands for
exponents
19 x 18
342
119 + 115
234
where is the decimal point
between three and one
121 - 79
42
it is the order of _____________
operations
621 / 3
207
245 + 360
605
fourth digit of pi
one
561 - 495
66
is this correct : (5 + 7) x 3 = 105
yes
749 / 7
107
1235 + 2345
3580
it is the ratio of what to what
circumference to diameter of a circle
1093 - 898
195
is this correct (5 x 8 + 17) = 125
no
456 x 7
3192