题目内容
| 口算: 298+76= | 6.4-4= | 0.25×12 | 4.8÷0.01 | ||||||||||||
| 90%×30% | 1÷
|
|
| ||||||||||||
| 0.3×2÷0.3×2. |
298+76=374; 6.4-4=2.4; 0.25×12=3; 4.8÷0.01=480;
90%×30%=0.27; 1÷
×
=1;
+
=
;
÷
=
;
×
=
;0.3×2÷0.3×2=4.
90%×30%=0.27; 1÷
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