乘法口诀练习反向练习

× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
12= 6= 81= 15= 54= 36= 10= 40= 18= 45= 3= 25= 64= 30= 20= 16= 27= 1= 8= 72= 35= 24= 14= 48= 5= 4= 9= 7= 2= 49= 56= 32= 42= 63= 16= 28= 21= 30= 20= 45= 25= 35= 18= 10= 40= 1= 81= 6= 72= 7= 24= 36= 4= 12=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
2= 42= 30= 1= 9= 6= 81= 63= 54= 72= 3= 48= 32= 7= 8= 64= 5= 45= 18= 56= 12= 40= 27= 4= 16= 24= 36= 16= 35= 28= 49= 10= 21= 15= 20= 25= 14= 7= 8= 72= 48= 12= 54= 81= 63= 45= 30= 42= 56= 28=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
35= 7= 16= 3= 56= 63= 48= 6= 30= 12= 25= 54= 1= 36= 45= 14= 20= 4= 18= 10= 40= 9= 42= 64= 28= 72= 5= 16= 8= 21= 27= 32= 81= 24= 2= 49= 15= 64= 72= 81= 2= 49= 16= 14= 3= 32= 12= 40= 20= 6= 8= 21= 30= 1=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
64= 25= 4= 3= 5= 54= 20= 10= 30= 42= 2= 45= 16= 24= 9= 6= 49= 16= 28= 21= 7= 81= 72= 40= 12= 8= 63= 56= 48= 32= 27= 35= 1= 14= 15= 18= 36= 24= 9= 42= 45= 7= 30= 20= 10= 16= 4= 25= 21= 27= 18= 9= 8= 6=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
2= 27= 40= 3= 5= 32= 15= 1= 28= 16= 4= 81= 64= 24= 56= 54= 21= 20= 8= 16= 12= 9= 49= 25= 14= 48= 42= 72= 35= 10= 30= 18= 63= 6= 45= 7= 36= 6= 9= 15= 3= 4= 25= 42= 2= 81= 27= 56= 14= 1= 32= 21= 5= 10=
ห้องสมุดไป่ตู้
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
25= × 48= × 4= × 28= × 10= × 72= × 1= × 30= × 54= × 35= × 15= × 20= × 8= × 6= × 5= × 56= × 14= × 9= × 45= × 12= × 18= × 42= × 64= × 32= × 24= × 2= × 36= × 16= × 81= × 27= × 16= × 7= × 49= × 40= × 3= × 21= × 63= × 6= × 5= × 35= × 20= × 18= × 54= × 1= × 30= × 9= × 4= × 48= × 12= × 49= × = × = × = × = ×
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
30= × 8= × 5= × 12= × 54= × 27= × 10= × 7= × 32= × 21= × 16= × 35= × 45= × 42= × 49= × 14= × 72= × 1= × 48= × 2= × 6= × 36= × 4= × 81= × 15= × 25= × 64= × 24= × 56= × 16= × 40= × 28= × 63= × 3= × 9= × 18= × 20= × 42= × 49= × 21= × 35= × 6= × 32= × 10= × 7= × 1= × 5= × 8= × 2= × 40= × = × = × = × = ×
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
7= 14= 48= 42= 36= 63= 24= 30= 45= 49= 15= 72= 81= 32= 16= 4= 16= 56= 18= 64= 9= 21= 8= 5= 27= 54= 25= 12= 20= 3= 40= 2= 6= 1= 10= 28= 35= 8= 5= 49= 72= 81= 12= 24= 35= 45= 42= 7= 64= 16= 1= 2= 48= 9=
9= 21= 3= 81= 8= 20= 24= 42= 45= 16= 4= 49= 64= 27= 14= 72= 30= 15= 36= 35= 40= 32= 25= 5= 56= 63= 16= 28= 54= 2= 7= 1= 10= 48= 12= 6= 18= 27= 14= 16= 49= 40= 45= 24= 42= 15= 3= 21= 35= 5=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
25= 64= 42= 15= 14= 8= 40= 28= 27= 24= 32= 1= 56= 2= 12= 54= 49= 3= 5= 16= 18= 10= 16= 21= 63= 20= 48= 35= 81= 7= 4= 45= 30= 72= 9= 6= 36= 27= 56= 40= 72= 6= 42= 54= 1= 16= 10= 12= 24= 45= 14= 21= 25= 16=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
12= 14= 24= 3= 27= 64= 63= 15= 49= 5= 48= 10= 16= 4= 72= 18= 42= 16= 20= 7= 35= 54= 56= 28= 21= 25= 6= 45= 2= 32= 81= 8= 40= 36= 1= 30= 9= 20= 12= 30= 16= 18= 72= 28= 40= 36= 16= 45= 35= 24= 64= 54= 63= 7=
30= 4= 36= 16= 72= 45= 3= 12= 16= 15= 81= 10= 14= 25= 2= 32= 63= 9= 49= 24= 6= 54= 40= 18= 20= 35= 8= 21= 56= 28= 5= 48= 7= 27= 1= 42= 64= 3= 35= 81= 48= 5= 18= 36= 49= 64= 20= 30= 63= 32= 28= 4= 9= 7=
7= 25= 40= 30= 21= 1= 72= 6= 4= 12= 42= 54= 63= 28= 18= 81= 36= 10= 2= 16= 9= 48= 14= 15= 49= 32= 35= 64= 20= 45= 8= 3= 16= 24= 56= 5= 27= 28= 18= 12= 54= 9= 4= 72= 6= 10= 40= 25= 16= 16=
× × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × × ×
9= 25= 32= 4= 30= 64= 48= 81= 2= 56= 5= 24= 72= 63= 35= 45= 10= 12= 14= 28= 40= 8= 7= 6= 18= 49= 21= 16= 54= 1= 3= 36= 42= 20= 15= 27= 16= 21= 54= 10= 30= 3= 40= 16= 28= 63= 15= 20= 14= 32= 4= 56= 18= 25=