问题
解答题
|
答案
①150%×6+5X=12,
1.5x×6+5x=12,
9x+5x=12,
14x=12,
14x÷14=12÷14,
x=
;6 7
②
X-20%X=1,2 3
x-10 15
x=1,3 15
x=1,7 15
x×7 15
=1×15 7
,15 7
x=2
.1 7
|
①150%×6+5X=12,
1.5x×6+5x=12,
9x+5x=12,
14x=12,
14x÷14=12÷14,
x=
;6 7
②
X-20%X=1,2 3
x-10 15
x=1,3 15
x=1,7 15
x×7 15
=1×15 7
,15 7
x=2
.1 7