乘除法口诀口算练习

乘除法口诀口算练习1.7 x 5 =8 x 8 =3 x 4 =35 ÷ 7 =2.6 x 9 =72 ÷ 8 =56 ÷ 7 =12 ÷ 2 =3.6 x 8 =40 ÷ 8 =4 x 9 =4 x