36×29=____
0.36×29=____
2.9×36=____
商店老板说一支棒棒糖要3元,小建想买3支给小朋友们,请问小建需花多少钱?
Students used to information from newspapers or magazines, but now they are used to for it on the Internet directly.
用手掌压着桌面往前推,在手掌沿桌面推移的过程中,压力越大,感觉越费劲,这是因为 ____随压力增大而增大的缘故;同时感觉到手掌发热,这是通过 ____方式使手掌的内能增加的.