一个长方体纸箱,长和宽都是0.6米,高是0.4米,它的容积是多少立方米?要做这样的一个纸箱至少需要纸板多少平方米?
直接写得数.
8×3.14=0.43= 0.125×8= 1﹣=
9÷= 1÷0.25=
﹣
=
+
=
口算
6×0.03= 1÷0.25= 8÷1.6=
1﹣0.3×0.6= 43÷0.01= 300×0.04=
14﹣1.4= 1.3×0.5= 0.42÷0.6=
7﹣1.4= 12﹣1.2= 2.5+2.5×3=
9÷0.01= 43÷0.1= 8.4÷4=
3.9﹣3.9÷3=+
= 2﹣
=
﹣
=
+
+
=
直接写出得数:
432﹣98= ; 0.8×2.5= ; 6.4+0.36= ; 4.5÷15= ;+
=
×
=
÷2= ;
﹣
= ; 2.4×5= ; 0.72×
= ;
4.5﹣2.8﹣0.7= ;×9÷
×9= .
口算题.
0.125×16= 3﹣1.06= 0.6÷6= 16.8﹣7=
11﹣=
﹣
= 1.01×0.2×0.1= 0.45×0=
0÷125= 9﹣9.875= 2
﹣0= 0.1+0.2×0.3=
+
÷
+
=
÷3+
×
=
直接写出得数
①1﹣0.375= ②48×12.5%= ③+
= ④8×99=
⑤1.9﹣0.3×3= ⑥19+99= ⑦15﹣15×= ⑧
﹣
=
⑨5÷﹣
÷5= ⑩(
﹣
)×18=