解:630-180=450; 5 200-1 900=3 300;4 500-2 800=1 700; 6 300-1800=4 500; 通过计算和对题目的观察可以发现,这些题目都是整十、整百的退位减法;所以编的题目如下: 530-280=;5 100-1 700=;4 300-2 900=;5 300-2 800=;故答案为: 450;3300;1700;4500;530-2...
MEMORY存储芯片N25Q128A11BSF40F中文规格书 least once every 70.3μs. When T C is greater than 85°C, but less the 95°C, the refresh peri-od is 32ms. When T C is greater than 95°C, but less the 105°C, the refresh period is 16ms.37.Although CKE is allowed to be ...