123+25=148 123-35=88 56×7=392 135÷5=27
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