| 8.4÷0.7= | ×33= | - = | 0.25×4= | 3- = |
÷25%= | 4.8× = | 3.37+6.63= | + ×2= | × = |
| 1-100%= | 3.6× = | 0.5- +0.5- = | 12.6÷3= | 1.02-0.43= |
1÷ = | 10-1.34-3.66= | 8÷ = | 7+0÷7-7= | ×13÷ = |
| 8.4÷0.7=12, | ×33=15, | - = , | 0.25×4=1, | 3- =2 , |
÷25%=1, | 4.8× =3, | 3.37+6.63=10, | + ×2= , | × = , |
| 1-100%=0, | 3.6× =1.6, | 0.5- +0.5- = , | 12.6÷3=4.2, | 1.02-0.43=0.59, |
1÷ = , | 10-1.34-3.66=5, | 8÷ =12, | 7+0÷7-7=0, | ×13÷ =13. |
分析:根据小数和分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.
×33=
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