0.125×7×7简便计算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/04/29 20:45:53
0.125×7×7简便计算0.125×7×7简便计算0.125×7×7简便计算0.125×7×7=0.125×49=0.125×(50-1)=6.25-0.125=6.125=7×7×(1÷8)=49

0.125×7×7简便计算
0.125×7×7简便计算

0.125×7×7简便计算
0.125×7×7
=0.125×49
=0.125×(50-1)
=6.25-0.125
=6.125

=7×7×(1÷8)
=49÷8=6.125