题目内容
| 脱式计算. (1)854-3234÷33 | (2)1.5×(7.02-4.8)+6.67 | ||||||||||||||
(3)
| (4)
|
(1)854-3234÷33,
=854-98,
=756;
(2)1.5×(7.02-4.8)+6.67,
=1.5×2.22+6.67,
=3.33+6.67,
=10;
(3)
×
÷
,
=
×
,
=
;
(4)
×
+
÷
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
.
=854-98,
=756;
(2)1.5×(7.02-4.8)+6.67,
=1.5×2.22+6.67,
=3.33+6.67,
=10;
(3)
| 12 |
| 35 |
| 5 |
| 8 |
| 2 |
| 7 |
=
| 3 |
| 14 |
| 7 |
| 2 |
=
| 3 |
| 4 |
(4)
| 7 |
| 13 |
| 12 |
| 17 |
| 6 |
| 13 |
| 17 |
| 12 |
=
| 7 |
| 13 |
| 12 |
| 17 |
| 6 |
| 13 |
| 12 |
| 17 |
=(
| 7 |
| 13 |
| 6 |
| 13 |
| 12 |
| 17 |
=1×
| 12 |
| 17 |
=
| 12 |
| 17 |
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