30多个省市和一些计划单列市设立了侵犯知识产权的投诉电话电话是()。
A:116114 B:800360 C:400250 D:12312
脱式计算.
25×1.25×32; 3.75×9.8+9.8×6.25; (
)÷
+
; 10÷[
﹣(
÷
+
)].
解:(1)25×1.25×32
=25×1.25×4×8
=(25×4)×(1.25×8)
=100×10
=1000
(2)3.75×9.8+9.8×6.25
=(3.75+6.25)×9.8
=10×9.8
=98
(3)([4b3f30ef75f543c8.png][e71ccb6027d8a619.png])÷[89a9c9c34032eef2.png]+[ff1987e6ff77ff66.png]
=[cd2bee5ee7409b0e.png]×[c2a0afffc1bdb3ba.png]+[80c04f2e46e8c3c4.png]
=[ee73e13eabacd7e1.png]+[de6852a5f82bede1.png]
=[b9f14e579e838bd5.png]
(4)10÷[[51c25a99625d6baa.png]﹣([a999d32772c3d7ea.png]÷[703582b9dff35e7c.png]+[748e30ee7d7f8286.png])]
=10÷[[309443debf31125b.png]﹣(2+[b7270b0d9f75144f.png])]
=10÷[[17645b8607d044e6.png]﹣[cc5ed3bf978de34f.png]]
=10÷[fd602381753ca796.png]
=[709ffb7be97d238a.png]