一、口算题 36÷4=9 54+8=62 26+9=35 57+3=60 68-9=59 72+19=91 30-12=18 38-29=9 4÷2=2 77-9=68 73-9=64 2×3=6 16+29=45 72-65=7 53-7=46 35-8=27 9×4=36 3÷3=1 4×3=12 61-4=57 二、脱式计算题 (50-42)×5 =8×5 =40 30÷6×6 =5×6 =30 2×4+56 =8+56 =64 (91-89)×7 =2×7