102乘68简便运算
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102乘68简便运算102乘68简便运算102乘68简便运算102×68=(100+2)×68=100×68+2×68=6800+136=6936100X68+2X68102*68=(85+17)(8
102乘68简便运算
102乘68简便运算
102乘68简便运算
102×68
=(100+2)×68
=100×68+2×68
=6800+136
=6936
100X68+2X68
102*68=(85+17)(85-17)=85^2-17^2=6936
100X68+2X68