题目内容
脱式计算.(能简算的要简算)
①44.08-44.08÷5.8
②
+
+
÷4
③7.5×
+7.5÷
--
④[
-(
-
)]×
.
①44.08-44.08÷5.8
②
| 1 |
| 4 |
| 3 |
| 7 |
| 4 |
| 7 |
③7.5×
| 2 |
| 3 |
| 3 |
| 4 |
④[
| 8 |
| 15 |
| 7 |
| 12 |
| 2 |
| 5 |
| 15 |
| 14 |
①44.08-44.08÷5.8,
=44.08-7.6,
=36.48;
②
+
+
÷4,
=
+
+
×
,
=
+
+
,
=
+
+
,
=
;
③7.5×
+7.5÷
,
=7.5×
+7.5×
,
=(
+
)×7.5,
=2×7.5,
=15;
④[
-(
-
)]×
,
=[
-(
-
)]×
,
=[
-
]×
,
=
×
,
=
.
=44.08-7.6,
=36.48;
②
| 1 |
| 4 |
| 3 |
| 7 |
| 4 |
| 7 |
=
| 1 |
| 4 |
| 3 |
| 7 |
| 4 |
| 7 |
| 1 |
| 4 |
=
| 1 |
| 4 |
| 3 |
| 7 |
| 1 |
| 7 |
=
| 7 |
| 28 |
| 12 |
| 28 |
| 4 |
| 28 |
=
| 23 |
| 28 |
③7.5×
| 2 |
| 3 |
| 3 |
| 4 |
=7.5×
| 2 |
| 3 |
| 4 |
| 3 |
=(
| 2 |
| 3 |
| 4 |
| 3 |
=2×7.5,
=15;
④[
| 8 |
| 15 |
| 7 |
| 12 |
| 2 |
| 5 |
| 15 |
| 14 |
=[
| 8 |
| 15 |
| 35 |
| 60 |
| 24 |
| 60 |
| 15 |
| 14 |
=[
| 8 |
| 15 |
| 11 |
| 60 |
| 15 |
| 14 |
=
| 21 |
| 60 |
| 15 |
| 14 |
=
| 3 |
| 8 |
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