105x28 47x15+33x15 96x18-96x8 102x32 26x198 48x102 99x136 134x51+51x66 44x25 213x43+213x58-213 99x101-99
105X28===100X28+5X28=2800+140=2940
47X15+33X15=(47+33)X15=1200
96X18-96X8=96X(18-8)=960
102X32=100X32+2X32=3264
26X198=200X26-2X26 =5148
48X102=48X100+48X2=4896
99X136=100X136-136=13464
134X51+51X66=(134+66)X51
44X25=40X25+4X25=1100
213X43+213X58-213=213X(43+58-1)=21300
99X101-99=99X(101-1)=9900
47X15+33X15=(47+33)X15=1200
96X18-96X8=96X(18-8)=960
102X32=100X32+2X32=3264
26X198=200X26-2X26 =5148
48X102=48X100+48X2=4896
99X136=100X136-136=13464
134X51+51X66=(134+66)X51
44X25=40X25+4X25=1100
213X43+213X58-213=213X(43+58-1)=21300
99X101-99=99X(101-1)=9900
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