4.7-4.7×0.25 巧算
4.7+13.5÷0.25简便运算
4.7+0.3-4.7+0.3
4.7/4+4.3*0.25+0.25 ( 用简便方法计算)
简便计算:9÷0.25 = = 4.7×5.9+5.2×4.7-4.7×0.1 = = =
4.7.11.().()
1÷0.25+0.75 5.3*3.6+3.6*4.7简便计算
能简算的要简算 4.7×0.25+5.3÷4
12.5×6.4×0.25 12.87-1.17-8.83 (2.8+4.7)除于0.25×0.4
4.7-(-8.9)-7.5+(-6)
4.7*1.58+0.53*15.8
(-7.3)+(-8.2)-(-4.5)-|-4.7|
1.2.4.7.11( )( )(