1年级数学下册脱式计算题?
20-12-3= 21-8+63= 10+5+2 = 30-7-21= 63-45+13= 8-4+36 = 55+35-61 = 96-58-32=
71-32+46 = 43+64-89 = 99-55-33= 21-12-5 =
75-63+24 = 86-71-3 = 23-9+65= 62+8-56 =
43+68-25 = 53-6-32 = 42-36+56= 83+9-62=
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1年级数学下册脱式计算题?
20-12-3= 21-8+63= 10+5+2 = 30-7-21= 63-45+13= 8-4+36 = 55+35-61 = 96-58-32=
71-32+46 = 43+64-89 = 99-55-33= 21-12-5 =
75-63+24 = 86-71-3 = 23-9+65= 62+8-56 =
43+68-25 = 53-6-32 = 42-36+56= 83+9-62=