123+25=148123-35=8856×7=392135÷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=715-4=1120-5=1525-6=1930-7=2335-8=27

　　40-9=3145-10=3550-11=3955-12=4360-13=4765-14=5170-15=5575-16=5980-17=6385-18=6790-19=7195-20=75100-21=79105-22=83110-23=87115-24=91120-25=95125-26=99130-27=10313+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=510÷2=515÷3=520÷4=525÷5=530÷6=5

　　35÷7=540÷8=545÷9=550÷10=555÷11=560÷12=5

　　65÷13=570÷14=575÷15=580÷16=585÷17=590÷18=595÷19=5100÷20=5