口算.
24×75%= 5.2÷1.3==
×
= 3÷
= 3.1﹣0.3=
0.92= 4.2+÷0.5=
=
=
直接写出计算结果.
2.6×0.3= 43÷10%= 0.32﹣0.23=+
=
4﹣
=
﹣
= 1.3×7+6.7×7=
×5÷
×5=
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= .