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import random
cnt = 11
# 乘法
for i in range ( 1 , cnt ) :
a = random . randint ( 100 , 999 )
b = random . randint ( 10 , 99 )
print ( str ( a ) + " × " + str ( b ) + " = " , end = " " )
if i % 2 == 0 :
print ( " " )
print ( " " )
print ( " " )
print ( " " )
# 除法
for i in range ( 1 , cnt ) :
a = random . randint ( 100 , 999 )
b = random . randint ( 10 , 99 )
print ( str ( a ) + " ÷ " + str ( b ) + " = " , end = " " )
if i % 2 == 0 :
print ( " " )
print ( " " )
print ( " " )
print ( " " )
# 获取一个可以整除的三位数除两位数
def getDivStr ( ) :
while True :
a = random . randint ( 10 , 99 )
b = random . randint ( 10 , 40 ) # 倍数
if a * b > = 1000 :
continue
return str ( a * b ) + " ÷ " + str ( a )
# 获取形如 (230-182÷14) ×
def getSiZe1 ( ) :
while True :
a = random . randint ( 100 , 999 )
b = random . randint ( 10 , 99 )
s = " ( " + str ( a ) + " - " + getDivStr ( ) + " )× " + str ( b )
s1 = s . replace ( " ÷ " , " / " ) . replace ( " × " , " * " )
x = eval ( s1 )
if x < 0 :
continue
return s
for i in range ( 1 , cnt ) :
print ( getSiZe1 ( ) , end = " " )
if i % 2 == 0 :
print ( " " )
print ( " " )
print ( " " )
print ( " " )
# 获取形如 [(256+88×
def getSiZe2 ( ) :
while True :
a = random . randint ( 10 , 99 )
x = random . randint ( 100 , 999 )
y = random . randint ( 10 , 99 )
z = random . randint ( 2 , 9 )
s = " [( " + str ( x ) + " + " + str ( y ) + " × " + str ( z ) + " )] "
s1 = s . replace ( " ÷ " , " / " ) . replace ( " × " , " * " )
x = eval ( s1 )
if ( x [ 0 ] % a ) > 0 :
continue
return s + ' ÷ ' + str ( a )
for i in range ( 1 , cnt ) :
s = getSiZe2 ( )
print ( s , end = " " )
if i % 2 == 0 :
print ( " " )
print ( " " )
print ( " " )
print ( " " )
