问题
解答题
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答案
(1)1+0.6x=9.5,
1+0.6x-1=9.5-1,
0.6x÷0.6=8.5÷0.6,
x=14
;1 6
(2)x-0.25=
,1 2
x-0.25+0.25=
+0.25,1 2
x=0.75;
(3)
x+3 4
x=66,1 6
x=66,11 12
x×11 12
=66×12 11
,12 11
x=72;
(4)
=36 x
,54 3
54x=36×3,
54x÷54=108÷54,
x=2;
(5)1.25:0.25=x:2.4,
0.25x=1.25×2.4,
0.25x÷0.25=3÷0.25,
x=12;
(6)
:3 4
=5 6
:x1 4
x=3 4
×5 6
,1 4
x×3 4
=4 3
×5 24
,4 3
x=
.5 18