问题
解答题
解方程.
x+10=10.2
x÷6=0.6
1.6x=6.4.
答案
(1)x+10=10.2,
x+10-10=10.2-10,
x=0.2;
(2)x÷6=0.6,
x÷6×6=0.6×6,
x=3.6;
(3)1.6x=6.4,
1.6x÷1.6=6.4÷1.6,
x=4.
解方程.
x+10=10.2
x÷6=0.6
1.6x=6.4.
(1)x+10=10.2,
x+10-10=10.2-10,
x=0.2;
(2)x÷6=0.6,
x÷6×6=0.6×6,
x=3.6;
(3)1.6x=6.4,
1.6x÷1.6=6.4÷1.6,
x=4.