【题目】能简算的要简算
17× | （ + ）×32 | × + × | × ×16 |
+ × | 44﹣72× | [ ×（ ﹣ ）]÷ | ÷（ + ） |
×16﹣ ×14+ ×70 | （ + ）× |
|
|
【答案】①9；②44；③；④
⑤；⑥14；⑦；⑧
⑨9；⑩
【解析】
①17×
=（16+1）×
=16× +1×
=9+
=9
②（+ ）×32
= ×32+ ×32
=24+20
=44
③×+×
= ×（+ ）
= ×1
=
④ × ×16
= ×（ ×16）
= ×2
=
⑤ + ×
= +
= +
=
⑥44﹣72×
=44﹣30
=14
⑦[ ×（ ﹣ ）]÷
=[ × ]÷
= ÷
=
⑧ ÷（ + ）
= ÷（ + ）
= ÷
= ×
=
⑨ ×16﹣ ×14+ ×70
= ×（16﹣14+70）
= ×72
=9
⑩（ + ）×
= ×+ ×
= +
=
