{a}____{a,b,c} {a,c,b}____{a,b} {a,b,c}_____{a,c,b} 空集_____{a,b,c}

{a}____{a,b,c} {a,c,b}____{a,b} {a,b,c}_____{a,c,b} 空集_____{a,b,c} We ____ ____ ____ sing “A B C” song |a+b|-|c| |a-c|-|b-a|+|a+c|c a,b,c(a I feel ____ cold.A.a little B.a little bit C.a bit D.A,B and C 已知a、b、c在数轴上的位置如图所示,求|a+b|-|c-b|-|a+c|的值____.________.__.____.___________a b 0 c 程序结果填空 请说明原因1.main（） {int a,b,c； a=b=c=1； ++a||++b&&++c； printf(“%d,%d,%d”,a,b,c)；结果：____,____,____ a=b=c=0; ++a&&++b||++c; printf（“%d,%d,%d”,a,b,c）;结果：____,____,____ }不知道手机打出来 (a+2b+3c)(a-2b-3c)=(___)^2-(____)^2 (a+2b+3c)(a-2b-3c)=(___)^2-(____)^2 |c-b|+|a-c|-|b+c|,（c 若a、b、c都是正整数,且a+b+c=55,a-bc=-8,则a、b、c的最大值为____,最小值为____ c除以a与b差的商____. She looked ____ (A.be happy B.happyily C.happy) I can ____ A.dance B.dancing c.danced What did you ____?A,see B,look C,watch Amy ____ Alice are twin.A.or B.and C./ .He ____ swimming everyday.A.go B.goes C.going The tigers are ____.A.run B.running C.runing