数学题添加符号,帮帮忙!
数学题添加符号,帮帮忙!
1 2 3 4 =8
1 2 3 4 5 =8
1 2 3 4 5 6 =8
1 2 3 4 5 6 7 =8
1 2 3 4 5 6 7 8 =8
帮忙添上适当的数学符号,使等号两边相等.
1 2 3 4 =8
1 2 3 4 5 =8
1 2 3 4 5 6 =8
1 2 3 4 5 6 7 =8
1 2 3 4 5 6 7 8 =8
帮忙添上适当的数学符号,使等号两边相等.
数学人气:340 ℃时间:2019-10-18 19:36:15
优质解答
(1-2+ 3)× 4 =8-1+2+3×4-5 =8-1×2×3+4×5-6 =8-(1+2+3×4)+ 5×6-7 =81-2+3+4-5+6-7+8 =8 注:(1-2+ 3)× 4 =2×4=8-1+2+3×4-5 =1+12-5=13-5=8-1×2×3+4×5-6 =-6+20-6=20-12=8-(1+2+3×4)+ 5×6-7 =-(3+...
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