chant out the result while doing the sums in one´s head chant out the result while doing the sums in one´s head
He is good at oral calculation , and can calculate without the slightest error.
他口算能力极强,每次都毫厘不爽。
—— 给力词典精选Special children got much more points on oral arithmetic problems than vertical calculation and recursion equation calculating.
随班生口算题的得分率远远高于竖式计算和递等式计算。
—— 给力词典精选The results on the left and on the right are the same, which side is easier?
左右两边的结果仍然保持不变,哪一边口算起来更简便?
—— 给力词典精选Can not calculate, push hackberrya today, but the total lunar eclipse, not poor mentalistic mouth recite a calculate.
卫朴能够不用数码推算古今的日蚀、月蚀,只用口算乘除,没算错一个数字。
—— 给力词典精选Can you use a short cut to solve this problem?
你能用简便方法很快口算出这题的结果吗?
—— 给力词典精选