Question

9到1任意加减等于100

Answer 1

98-7-6+5+4+3+2+1 = 100
9+8+76+5-4+3+2+1 = 100
98+7-6+5-4-3+2+1 = 100
98+7-6-5+4+3-2+1 = 100
98-7+6+5-4+3-2+1 = 100
9-8+76+54-32+1 = 100
98-7+6-5+4+3+2-1 = 100
9+8+76+5+4-3+2-1 = 100
98+7+6-5-4-3+2-1 = 100
98+7-6+5-4+3-2-1 = 100
98-7+6+5+4-3-2-1 = 100
9-8+7+65-4+32-1 = 100
9-8+76-5+4+3+21 = 100
98-7-6-5-4+3+21 = 100
98-76+54+3+21 = 100
一共有 15 个解

Answer 2

9+8+76+5-4+3+2+1=100

Answer 3

一件上衣56元，一条裤子41元。商场做促销，上衣、裤子各降价16元，现在要买一套，现在便宜多少钱？