248+89=337 ...146-23=123 ...155×5=775 ...456-12=38 ...
456+45=501 ...546-457=89 ...45×10=451 ...564-12=47 ...
879+54=933 ...896-546=350 ...56×12=672....45-5=9 ...
457+456=913 ...
7+14=21 ...18-9=9 ...
8+16=24 ...25-5=20 ...
9+18=27...56-45=11 ...
10+20=30...45-23=22 ...
11+22=33...78-23=55 ...
12+24=36 ...
10-3=7
15-4=11
20-5=15
25-6=19
30-7=23
35-8=27
40-9=31
45-10=35
50-11=39
55-12=43
60-13=47
65-14=51
70-15=55
75-16=59
80-17=63
85-18=67
90-19=71
95-20=75
100-21=79
105-22=83
110-23=87
115-24=91
120-25=95
125-26=99
130-27=103
13+26=39 ...
14+28=42 ...
15+30=45 ...
16+32=48 ...
17+34=51 ...
18+36=54 ...
19+38=57 ...
20+40=60 ...
21+42=63 ...
22+44=66 ...
23+46=69 ...
24+48=72 ...
25+50=75 ...
26+52=78 ...
27+54=81 ...
28+56=84 ...
29+58=87 ...
30+60=90 ...
31+62=93 ...
32+64=96 ...
33+66=99 ...
5 ÷1 =5
10 ÷2 =5
15 ÷3 =5
20 ÷4 =5
25 ÷5 =5
30 ÷6 =5
35 ÷7 =5
40 ÷8 =5
45 ÷9 =5
50 ÷10 =5
55 ÷11 =5
60 ÷12 =5
65 ÷13 =5
70 ÷14 =5
75 ÷15 =5
80 ÷16 5
85 ÷17 5
90 ÷18 5
95 ÷19 5
100 ÷20 5