59.8×60.2简便运算,

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 19:42:35
59.8×60.2简便运算,
xRN@Bb>:Lg:cZ6i;UbL\ca,b+ ʂ_A`A"ɽ9Ap *hܽ~'q e}5s|j^F+g\=ik w"i&::00q9@8W8]^Ey<|.lXFm6]ob >U,]>8s7~cЫ ٌkPc:m ZXj\eM(F``6f2 'P`JSȊ\ˋJb/4IT`* CI8hQ-AkzlP,yƊ\ ㋉A;zV)yXwLd~__o5 O

59.8×60.2简便运算,
59.8×60.2简便运算,

59.8×60.2简便运算,
求采纳望好评

(60-0.2)(60+0.2)
=60-0.2
=3600-0.04
=3599.96

(60-0.2)*(60+0.2)=3600-0.04=3599.96

(60-0.2)×(60+0.2)=60×60-0.2×0.2=3599.96

59.8×60.2=(60-0.2)(60+0.2)=60^2-0.2^2=3600-0.04=3599.96

(60-0.2)乘()60+0.2)=60-0.2乘0.2=59.96