求小学六年级上册分数四则运算的口算题

问题描述:

求小学六年级上册分数四则运算的口算题

[425 -(2.5+1.9) ×0.5]-0.5 1213 -412 -214 -518 -12.5%0.125×34 +18 ×8.25+12.5% (78 +1316 )÷13162.5×37 ×0.4×21315314 -2....