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1.15-(-3)-(-21)-172.-14-9-(-10)-63.-22-(-25)-(-45)-784.(-46)-(-21)-77-(-52)5.(-2/3)-(2/3)-3/4-3/46.16-(25/3)-(+3/4)-4
题目详情
1.15-(-3)-(-21)-17
2.-14-9-(-10)-6
3.-22-(-25)-(-45)-78
4.(-46)-(-21)-77-(-52)
5.(-2/3)-(2/3)-3/4-3/4
6.16-(25/3)-(+3/4)-4
2.-14-9-(-10)-6
3.-22-(-25)-(-45)-78
4.(-46)-(-21)-77-(-52)
5.(-2/3)-(2/3)-3/4-3/4
6.16-(25/3)-(+3/4)-4
▼优质解答
答案和解析
1.15-(-3)-(-21)-17
=15+3+21-17
=22
2.-14-9-(-10)-6
=-14-9+10-6
=-19
3.-22-(-25)-(-45)-78
=-22+25+45-78
=-30
4.(-46)-(-21)-77-(-52)
=-46+21-77+52
=-50
5.(-2/3)-(2/3)-3/4-3/4
=-4/3-3/2
=-17/6
6.16-(25/3)-(+3/4)-4
=16-25/3-3/4-4
=12-25/3-3/4
=144/12-100/12-9/12
=35/12
=15+3+21-17
=22
2.-14-9-(-10)-6
=-14-9+10-6
=-19
3.-22-(-25)-(-45)-78
=-22+25+45-78
=-30
4.(-46)-(-21)-77-(-52)
=-46+21-77+52
=-50
5.(-2/3)-(2/3)-3/4-3/4
=-4/3-3/2
=-17/6
6.16-(25/3)-(+3/4)-4
=16-25/3-3/4-4
=12-25/3-3/4
=144/12-100/12-9/12
=35/12
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