A-A+
口算:2005-1998=1.6×0.05=5.7÷0.19=0.125×0.7=58÷23
问题详情
2005-1998=
参考答案
2005-1998=7,1.6×0.05=0.08,5.7÷0.19=30,0.125×0.7=0.0875,58÷23=1516,23÷6=19,2185÷3534=625,40×1639=161639,12÷13=32,34×12=9,1738×1951=16,725×201-725=56.
考点:口算
2005-1998=7,1.6×0.05=0.08,5.7÷0.19=30,0.125×0.7=0.0875,58÷23=1516,23÷6=19,2185÷3534=625,40×1639=161639,12÷13=32,34×12=9,1738×1951=16,725×201-725=56.