就只有正负数。别太难了。最好有答案。计算题
ï¼-3æ2åä¹ä¸ï¼+4æä¸åä¹ä¸ã çæ¡6åä¹äº[1-ï¼1-0.5x3åä¹1)]x[2-(-3)2次æ¹ã çæ¡ å¤ 6åæ¯7ï¼1-å
åä¹ä¸+ååä¹ä¸ï¼Xï¼-48ï¼ çæ¡ å¤ ä¸åå
-1 2æ¤æ¹-ï¼-10ï¼é¤ä»¥2åæ¯1X2+ï¼-4ï¼ çæ¡ è´ 252+7= çæ¡9
-5-21= çæ¡-26
-3/2+7/3= çæ¡6åæ¯5
-52+25+1/2-5/2= çæ¡ -24 [-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) çæ¡ï¼å©ä¸çä½ ç®å§ï¼æ害æç»ä½ ç®éäºã
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
-1+2-3+4-5+6-7;
-50-28+(-24)-(-22);
-19.8-(-20.3)-(+20.2)-10.8;
0.25- +(-1 )-(+3 ). ç´¯æ»æäºï¼è¿ä¸å¯ä»¥äºã
-5-21= çæ¡-26
-3/2+7/3= çæ¡6åæ¯5
-52+25+1/2-5/2= çæ¡ -24 [-|98|+76+(-87)]*23[56+(-75)-(7)]-(8+4+3) çæ¡ï¼å©ä¸çä½ ç®å§ï¼æ害æç»ä½ ç®éäºã
5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
-1+2-3+4-5+6-7;
-50-28+(-24)-(-22);
-19.8-(-20.3)-(+20.2)-10.8;
0.25- +(-1 )-(+3 ). ç´¯æ»æäºï¼è¿ä¸å¯ä»¥äºã
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