Simplify.
1.3+9-7+2
2.3(3)+3(2)
3. 9•3m•2
2007-04-13 09:03:28 · 5 answers · asked by uhhannahh 1 in Science & Mathematics ➔ Mathematics
1.3+9-7+2
3+2+2=7
2.3(3)+3(2)
9+6=15
3.9*3m*2
27m*2
54m
2007-04-13 09:51:21 · answer #1 · answered by Anonymous · 5⤊ 0⤋
3 + 9 - 7 + 2 =
12 - 7 + 2 =
5 + 2 =
7
- - - - - - - -
3(3) + 3(2) =
9 + 6 =
15
- - - - - - - -s-
2007-04-13 17:38:58 · answer #2 · answered by SAMUEL D 7 · 0⤊ 0⤋
1) 3+9-7+2
12-7+2
12-5
2) 3(3)+3(2)
9+3(2)
9+6
3) 9*3m+2
21m+2
2007-04-13 17:28:13 · answer #3 · answered by animaljam 1 · 0⤊ 0⤋
1. 3+9-7+2=7
2. 3(3)+3(2)=9+6=15
3. 9 x 3m x2= 54m
2007-04-13 16:48:34 · answer #4 · answered by Dave aka Spider Monkey 7 · 1⤊ 0⤋
1 add them = 7
2 multiply and add 9+6=15
3 mutliply =54m
2007-04-13 16:16:36 · answer #5 · answered by hustolemyname 6 · 1⤊ 0⤋