简便运算专项练(专项练习)-2024--2025学年六年级下册数学人教版
简便运算
脱式计算,能简算的要简算。
1.
18×+23×25%-1÷4 3.12÷15+5.72
×(75%-
)+
2.
3.
4.
9.76-(4.53+2.76)-0.47 25.68+42.6+3.32+8.4 45.5-(10.5-4.78)
15.7+6.3+3.7 5.66-(0.66+1.9) 50-14.25+5.75
5.
3.75-0.125+6.25- 19.68-3.77-6.23+6.32
6.
(1)900-90÷45+45 (2)5.7-3.82-0.18+5.3 (3)9898-95×101
(4) (5)
(6)
7.
(1) (2)
(3) (4)
8.
25%×3.67×40 36×(-
)
÷[
×(
+
)]
9.
8.5+4.25+5.75
1.05×(3.8-0.8)÷6.3
10.
15.3+6.72+5.7+23.28 ×
+
÷
0.6×7.1+2.9× 48×(
-
)
11.
12.
98+2550÷25×15 3.4-2.2+7.6-7.8 12.5×3.2×0.25
13.
(1) (2)
(3)
(4) (5)
(6)
14.
2.4×+3.7 (
+
-
)÷
(
-
)÷(
-
)
×100-
÷[(
-0.25)÷
]
×
÷
×
15.