北师大五年级上口算题

北师大五年级上口算题0.41+0.3=10-5.85=8.1 ×0.7=9÷0.25=0÷9.45=0.65 ×0.7=0.45 ×3=北师大五年级上口算题北师大五年级上口算题0.7×0.04=0.6