如图所示,小明把眼镜放在课本上,由图可以判断出他的眼睛( )
48÷8=____ 64+26 =____ 8×7 =____ 56-35 = ____ 24+28 =____ .
9×3 =____ 76-34 =____ 63÷7 =____ 8×8 =____ 97-63 =____ .
72÷8 =____ 79+15 =____ 65-17 = ____ 18÷2 =____ 52+48 =____.
7×7 = ____ 54÷9 =____ 81÷9=____ 4×7 =____ 70-23 =____ .
灯泡L1、L2串联, 用电流表测得灯L1的电流是0.3 安, 则 通过灯L2的电流为:()