直接写出得数
0.7+1.23= 3﹣1.45= 140×5=
=
70÷1000=(49﹣49)÷25=(4×7)×25= 40×50=
72+72×9= 216+199= 4.6﹣0.7﹣2.3= 3.7+1.2﹣3.7+1.2=
直接写出得数
0.25×4= 0.82﹣0.56= 3.09+2.6= 6.03×100=
1﹣
=
﹣
=
+
=
+
=
口算.
3.04﹣0.98=
+
= 2÷9+
=
×
÷
×
=
12×(
+
)= 6.3÷0.01= 1﹣58%=
直接写出得数.
0.57+0.43= 4.13﹣1.3= 2.5×28=
7.2÷0.6= 0.52= 3﹣1
=
(
+
)= 15÷
×
=
×8+8×
=
快快算.
6.0﹣2.4= 5.3+3.5= 4.7+3.6=
20×13= 24×30= 640÷9=
=
=
=