用加、减、乘、除、括号中使算式结果等于已知数?(1)5 5 5 5 5 =2(2)5 5 5 5 5 =3(3)5 5 5 5 5 =4(4)3 3 3 3 3 =10
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用加、减、乘、除、括号中使算式结果等于已知数?(1)5 5 5 5 5 =2(2)5 5 5 5 5 =3(3)5 5 5 5 5 =4(4)3 3 3 3 3 =10
用加、减、乘、除、括号中使算式结果等于已知数?
(1)5 5 5 5 5 =2
(2)5 5 5 5 5 =3
(3)5 5 5 5 5 =4
(4)3 3 3 3 3 =10
用加、减、乘、除、括号中使算式结果等于已知数?(1)5 5 5 5 5 =2(2)5 5 5 5 5 =3(3)5 5 5 5 5 =4(4)3 3 3 3 3 =10
1.(5+5+5-5)/5=2
2.(5+5)/5+5/5=3
3.5-(5+5-5)/5=4
4.3+3+3+3/3=10
(5+5)/5+5-5=2
(5*5-5-5)/5 =3
(5+5+5+5)/5 =4
3+3+3+3/3 =10
1) 5-(5+5+5)除以5
2)5-(5除以5)-(5除以5)
3)5-(5除以5)+5-5
4)3除以3+3+3+3
(5+5)/5+5-5=2
(5*5-5-5)/5=3
5-5/5+5-5=4
3+3+3+3/3=10
5-(5+5+5)/5=2
5-(5/5)-(5/5)=3
(5+5+5+5)/5=20
(3+3+3)+3/3=10
(5-5)+(5+5)/5=2
((5*5)-(5+5))/5=3
5*5/5-5/5=4
(3+3+3)+3/3=10
(5/5*5+5)/5=2 5-(5+5+5)/5=2
5-5/5-5/5=3
5-5/5*(5/5)=4 (5+5+5+5)/5=20
3+3+3+3/3=10
(1)【5 +5】/ 5 +5 -5 =2
(2)5 -【5/ 5 】-【5 /5】 =3
(3)5* 5/ 5 -【5/ 5】 =4
(4)3 +3 +3 +3 / 3 =10