小调皮数自己的牙齿,4个一数,数了6次,他如果6个一数,应该数几次?2{9t:S2M(B-V;W7w6P,]*~0V7@1X
算式:提示8D8G/C9R;o;W7}4L-U(W1`;~)A9V3a8q2{9t:S2M(B-V;W7w6P,]*~0V7@1X
答:应该数+K3N2p([3B2@4T5_'u:e次。2{9t:S2M(B-V;W7w6P,]*~0V7@1X