0×85=35×5=707÷7=510×6=640÷40=3400-900=72÷12=18×40=750÷50=8.92-0.03-1.97=0.175÷0.25÷4=(12.6-0.75-0.25)÷0.01=(1.7+1.7+1.7+1.7)×2.5=72×125=384+98×25×4=32.8+19=1.82-0.63=1.2×0.5=63+0.37=0.6×0.2=0.67+1.24=9.6÷1.6=2.5×0.4=8.2÷0.01=5.2÷1.3=
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解:
0×85=0,35×5=175,707÷7=101,510×6=3060,
640÷40=16,3400-900=2500,72÷12=6,18×40=720,
750÷50=15,8.92-0.03-1.97=6.92,0.175÷0.25÷4=0.175,(12.6-0.75-0.25)÷0.01=1160,
(1.7+1.7+1.7+1.7)×2.5=17,72×125=9000,384+98×25×4=10184,32.8+19=51.8,
1.82-0.63=1.19,1.2×0.5=0.6,63+0.37=63.37,0.6×0.2=0.12,
0.67+1.24=1.91,9.6÷1.6=6,2.5×0.4=1,8.2÷0.01=820,
5.2÷1.3=4.
解析分析:根据整数和小数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步计算即可.