来自司光东的问题
600道口算题2.
600道口算题
2.
1回答
2020-04-11 17:54
600道口算题2.
600道口算题
2.
17×40=680,100-63=37,3.2+1.68=4.88,2.8×0.4=1.1214-7.4=6.6,1.92÷0.04=48,0.32×500=160,0.65+4.35=510-5.4=4.6,4÷20=0.2,3.5×200=700,1.5-0.06=1.440.75÷15=0.05,0.4×0.8=0.32,4...