问题
解答题
求未知数:
|
答案
(1)532-x=196,
532-x+x=196+x,
196+x=532,
196+x-196=532-196,
x=336;
(2)x÷62=438,
x÷62×62=438×62,
x=27156;
(3)74×x=9102,
74×x÷74=9102÷74,
x=23;
(4)x+634=856,
x+634-634=856-634,
x=222.
求未知数:
|
(1)532-x=196,
532-x+x=196+x,
196+x=532,
196+x-196=532-196,
x=336;
(2)x÷62=438,
x÷62×62=438×62,
x=27156;
(3)74×x=9102,
74×x÷74=9102÷74,
x=23;
(4)x+634=856,
x+634-634=856-634,
x=222.