102.写一写3.看谁填的对0+4= 5-1= 3+0= 4-4= 2-0= 2+0= 1-1= 5-2=4-0= 5-5= 4+0= 3-0=4.看图写出算式2参考答案1.0 2 3 42.5 3 4 03.4 4 3 0 2 2 0 3 4 0 4 34.4-4=0 3+0=3 2-2=0
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