(+1又1/3)+(-5又2/3) 2又3/5×(-10) (-16)÷(-1/3)×3(-18)÷2又1/4×4/9÷(-16) -6³×(-1/6)²-7² 30÷(1/5-1/6)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 04:11:45
(+1又1/3)+(-5又2/3) 2又3/5×(-10) (-16)÷(-1/3)×3(-18)÷2又1/4×4/9÷(-16) -6³×(-1/6)²-7² 30÷(1/5-1/6)

(+1又1/3)+(-5又2/3) 2又3/5×(-10) (-16)÷(-1/3)×3(-18)÷2又1/4×4/9÷(-16) -6³×(-1/6)²-7² 30÷(1/5-1/6)
(+1又1/3)+(-5又2/3) 2又3/5×(-10) (-16)÷(-1/3)×3
(-18)÷2又1/4×4/9÷(-16) -6³×(-1/6)²-7² 30÷(1/5-1/6)

(+1又1/3)+(-5又2/3) 2又3/5×(-10) (-16)÷(-1/3)×3(-18)÷2又1/4×4/9÷(-16) -6³×(-1/6)²-7² 30÷(1/5-1/6)
(+1又1/3)+(-5又2/3)
=-(5又2/3-1又1/3)
= -4又1/3
2又3/5×(-10)
=13/5×(-10)
=-(13/5×10)
= -26
(-16)÷(-1/3)×3
=(-16)×(-3)×3
=16×3×3
=144
(-18)÷2又1/4×4/9÷(-16)
=(-18)×4/9×4/9×(-1/16)
=18×4/9×4/9×1/16
=2/9
-6³×(-1/6)²-7²
=-216×1/36-49
=-(216×1/36)-49
=-6-49
=-(6+49)
= -55
30÷(1/5-1/6)
=30÷1/30
=30×30
=900