59+59X13+14X41 = 59×(1+13)+14×41=59×14+14×41=14×(59+41)=1400
先提59,在提14就算出来了
59+59X13+14X41 =59x(13+1)+14x41=14x(59+41)=14x100=1400
59(1+13)+14x41=59x14+14x41=14x(59+41)=14x100=1400