乘法（一）18x65=17x31=59x49=40x26=27x34=87x74=96x95=61x72=28x29 二15x11=26x83=48x93=77x67 二71x31=17x68=56x25=37x50 二56x41=98x52=49x51=乘法（二）93x31=12x38=34x43=77x6497x81 二78x89=49x15=37x1698x25=71x39=33x21=45x3718x72=69x54=50x40=63x2547x22=64x78=97x76=67x24乘法（三）76x23=66x95=60x93=69x7419x11=78x50=43x29=41x4690x83=62x94=27x76=96x9122x95=57x53=64x62=87x2058x21=84x26=13x83=95x28乘法（四）54x97 二12x31=19x48=69x3033x34 二87x48=10x24=68x4172x15=10x29=78x89=66x7413x49 二23x80=24x34=45x2014x76=52x81=55x61=31x42乘法（五）60x48=54x43=51x92=30x5183x74=36x20=12x54=11x1729x12=23x94=16x38=58x6092x73=31x58=73x69=86x6045x63=50x44=28x65=27x84乘法（六）51x28=98x40=12x77=35x9849x47=75x32=18x47=54x8053x68=67x74=31x19=72x4435x37=79x80=27x64=20x8527x73=77x47=23x75=69x50乘法（七）41x28=31x40=63x79=10x1427x55 二71x68=39x89=31x2966x80=64x10=75x43=84x2555x31=81x17=21x43=91x3534x79=10x10=61x17=76x53乘法（八）75x79=67x39=20x98=52x5097x48=14x57=62x42=57x5539x39=24x26=72x52=13x8815x68=63x62=26x19=28x2939x50=66x73=68x71=77x67乘法（九）37x50=56x41=98x52=49x5117x31=59x49=40x26=93x3187x74=96x95=61x72=97x8115x11=26x83=48x93=98x2571x31=17x68=56x25=18x72乘法（十）47x22=64x78=97x76=67x2412x38=34x43=77x64=76x2378x89=49x15=37x16=19x1171x39=33x21=45x37=90x8369x54 二50x40=63x25=22x95乘法（十一）58x21=84x26=13x83=95x2866x95=60x93=69x74=54x9778x50=43x29=41x46=33x3462x94=27x76=96x91=72x1557x53=64x62=87x20=13x49乘法（十二）14x76=10x29=19x48=24x3412x31=23x80=10x24=55x6187x48=52x81=78x89=69x3068x41=66x7445x20二60x48=83x74=29x12=92x73=乘法（十三）45x63=50x44=28x65=27x8454x43=51x92=30x51=51x2836x20=12x54=11x17=49x4723x94=16x38=58x60=53x6831x58=73x69=86x60=35x37乘法（十四）27x73=77x47=23x75=69x5098x40=12x77=35x98=41x2875x32=18x47=54x80=27x5567x74=31x19=72x44=66x8079x80=27x64=20x85=55x31乘法（ 十五）34x79=71x68=81x17=63x7931x40=64x10=10x10=39x8956x71=80x98=34x29=91x34=40x4558x7281x33=31x85=75x43=10x14=91x35=97x4821x43=31x29=76x53=39x3961x17=84x25=75x79=15x68乘法（十六）39x50=66x73=68x71=84x516...
