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102 36-72简便运算

102x36-72=102x36-36x2=36x(102-2)=36x100=3600

36*102-72=36*102-36*2=(102-2)*36=100*36=3600 若有帮助请采纳

3.6x102 =3.6x100+3.6x2 =360+7.2 =367.2

102*36=(100+2)*36 100*36=3600 + 2*36=723600+72=3672

(100+2)x36=100x36+36x2=3600+72=3672

原式=(100+2)*36=100*36+2*36=3600+72=3672

你好!解,102x36*2=(100+2)x(36*2)=100*72+2x72=7200+144=7344 如有疑问,请追问.

102*36 =(100+2)*36 =100*36+2*36 =3600+72 =3672

简便计算如下102*36=(100+2)*36=100*36+2*36=3600+72=3672

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