125×(17×8)×4 375×480+6250×48
25×16×125 13×99
150×40÷50 5600÷(25×7)
210÷42×6 39600÷25
67×21+18×21+85×79 321×81+321×19
34×3535-35×3434 27000÷125
345345÷15015 347+358+352+349
(48×75×81)÷(24×25×27) 7.5×2.3+1.9×2.5
5-(
-
) 19.68-(2.97+9.68)
1.3×11.6-1.6×1.3 1-
-
32×32+32=32×32 ( )
6×5÷6×5=1 ( )
8+2
-
用简便方法计算=2
-
-8
( )
12.06+5.07+2.94 30.34+9.76-10.34
×3÷
×3 25×7×4
34÷4÷1.7 1.25÷×0.8
102×7.3÷5.1 17+
-7
1-
-
41.06-19.72-20.28
7-3
+
8
+2
-
11+7
+3
700÷14÷5
18.6÷2.5÷0.4 1.06×2.5×4
13×÷
29÷
×
15.68+(5.39+4.32) 19.68-(2.97+9.68)
7+(
-
) 5
-(
-
)
0.92×1.41+0.92×8.59 ×
-
×
1.3×11.6-1.6×1.3 ×11.6+18.4×