整百整千数的加减法改,整百整千数的加减法改,1) 16 (2) 25 100 (3) 5 (4) 80 ( ) . (4) 130 ( ),2. 700 ( ) 100 . 130 ( ) . 1000 ( ) 100 . 4000 ( ),160,2500,5000,8,7,13,4,13,10,整百整千数的加减法改,1000 + 2000,2000 1000,1000(,3000(,1 2 3000,整百整千数的加减法改,200400= 30006000= 90007000= 80005000= 700400= 70004000,600,2000,300,9000,3000,3000,: 50 - : 80 : 130,整百整千数的加减法改,80 50,10,130 50,130 80,8 5 13,130,80,13 5 8,50,13 8 5,整百整千数的加减法改,900+600= 1500-600,1500,900,整百整千数的加减法改,7050 400600 800900 12050 1000600 1400800,120,1700,400,1000,70,600,整百整千
