口算大闯关(第二关)

5 55 5=5 55 5=2 29 9=9 93 3=49497 7=7 75 5=18182 2=3535-7 7=48486 6=9 98 8=35357 7=64648 8=48488 8=10105 5=25255 5=72728 8=56568 8=42426 6=40405 5=9 95=5=79+1179+11=44440 0=65-5465-54=4 49 9=81819 9=18189 9=15151515=16+8216+82=100-34100-34=25255 5=32328 8=46-3646-36=36369 9=5 53 35 5=6 66 67 7=48486+46+4=40+440+44 4=80-780-78 8=7 75 55 5=9-89-82 2=36364-54-5=8 85 58 8=12-2412-248 8=3 34+64+6=24+2424+246 6=20-320-35 5=12-612-62 2=100-25100-255 5=35357-57-5=