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,](/uploads/image/z/1737757-37-7.jpg?t=59.8%C3%9760.2%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%2C)
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:mZXj\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