-2-3-(-5) (+3)-(-1.6)+(-2.7)-(-7)+(2.9)
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/07/01 13:05:04
-2-3-(-5) (+3)-(-1.6)+(-2.7)-(-7)+(2.9)
(-26/5)-(-3/2)+(-1/12)-(+19/5)+87/7
(-26/5)-(-3/2)+(-1/12)-(+19/5)+87/7
初一数学题求解!
-2-3-(-5)
=-2-3-5
=-10;
(+3)-(-1.6)+(-2.7)-(-7)+(2.9)
=3+1.6-2.7+7+2.9
=3+2.3+0.2
=3+2.5
=5.5;
(-26/5)-(-3/2)+(-1/12)-(+19/5)+87/7
=-26/5+3/2-1/12-19/5+87/7
=-45/5+18/12-1/12+87/7
=-15+17/12+87/7
=-15+119/84+1044/84;
=-1260/84+1163/84
=-97/84;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
-2-3-(-5)
=-2-3-5
=-10;
(+3)-(-1.6)+(-2.7)-(-7)+(2.9)
=3+1.6-2.7+7+2.9
=3+2.3+0.2
=3+2.5
=5.5;
(-26/5)-(-3/2)+(-1/12)-(+19/5)+87/7
=-26/5+3/2-1/12-19/5+87/7
=-45/5+18/12-1/12+87/7
=-15+17/12+87/7
=-15+119/84+1044/84;
=-1260/84+1163/84
=-97/84;
很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,
-2-3-(-5) (+3)-(-1.6)+(-2.7)-(-7)+(2.9)
-3,0,0.04,-2.7,7分之3,|-3|,-|-5分之4|,+2,(-5),-2的3次方.
[(3*3*1.5)+3.14*1.6^2/4*5]*7.
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