÷ = | 6÷ = | ×10= | ×8= | 0÷ = |
| 1-0.32= | 2- = | 1- - = | 1.05- = | 2-2÷3= |
÷
=
; 6÷
=8;
×10=
;
×8=6; 0÷
=0;1-0.32=0.91; 2-
=1
; 1-
-
=0; 1.05-
=0.55; 2-2÷3=1
;分析:①②把除法改为乘法,计算即可;③④约分即可;⑤0乘任何数都得0;⑥先算乘方,再算减法;⑦把2改写成分母为3的分数,再计算;⑧运用减法的性质简算;⑨把分数化为小数计算;⑩把除法化为分数的形式,再计算.
点评:此题考查了分数的乘法、除法、减法运算,完成此题,运用数字转化、约分、运算定律等知识.