multiplication
7x4=?
28
32/4=?
8
2+2=4?
yes
7.38-7.24=?
1.4
3x2
area
21x5=?
105
434/7=?
62
744+34+12336?
no
7.32+0.63=?
7.95
there are 2 numbers (x or +)
x
74x2=?
148
235/5=?
47
74+42=119?
no
8.274-8.261=?
0.013
there is 4 numbers (x or +) two of them are the same
+
41x3=?
123
184/4=?
46
745+764=?
1509
1.23+2.34=?
3.57
5 (x or +) 6=30
x
15x4=?
60
655/5=?
131
1763+216=?
1979
3.2+4.34=?
7.54
3 (x or +) 4 (x or +) 5 (x or +)7=19
+