题文
口算.
45×0.2= 0.88÷0.44= 2﹣1.2= 12.5×0.8= (1.5+0.25)×4=
4.5÷0.9= 8.5×10= 5.2÷0.2= 1.2×6= 12﹣6.5﹣3.5=
口算.
45×0.2= 0.88÷0.44= 2﹣1.2= 12.5×0.8= (1.5+0.25)×4=
4.5÷0.9= 8.5×10= 5.2÷0.2= 1.2×6= 12﹣6.5﹣3.5=
试题篮
()