题目内容
== == ==
把下列各加法算式改写成乘法算式,并求出积.
7 ( )×( )=( )
7+7 ( )×( )=( )
7+7+7 ( )×( )=( )
7+7+7+7 ( )×( )=( )
7+7+7+7+7 ( )×( )=( )
7+7+7+7+7+7 ( )×( )=( )
7+7+7+7+7+7+7 ( )×( )=( )
请爸爸妈妈检验,做对了,把涂上你喜欢的颜色.
2×1=( )
÷=
写出差是9的减法算式,你能写出多少道?
( )-( )=9 ( )-( )=9 ( )-( )=9
8________________________
7________________________
6________________________
7×8= 24÷3= 7×9= 32÷9=?
24÷6= 52÷6= 7×5= 6×8=?
36÷4= 49÷7= 3×6= 23÷3=?
56÷6= 23÷8= 21÷5= 42÷6=?
8×8= 40÷8= 47÷6= 54÷8=?
50-27= 35+18= 57-30= 67+12=?
52-12= 71-24= 27+62= 50-13=?
38-28= 91-34= 35-21= 47-24=?
66+23= 81-60= 64-13= 43+26=