直接写出得数
5.5×2= 9.6÷4.8= 3﹣1.5×2= 2×3.1=
2.4×0.5= 0.125×8﹣0.1= 0.48÷6= 6.4﹣4=
0.6÷3+3= 0.91÷13= 3.25+0.75= 9.9﹣0.9÷0.1=
直接写得数(6分)
0.55×10= 0.375÷10= 4.05×100=
10.04×1000= 0.03×10= 2.01×1000=
7×59÷100= 0.7÷1000= 7.8×100=
4.5÷100= 0.516×100= 7.05×100=
用简便方法计算.
15﹣0.3= 6﹣0.5= 3.9+12.1= 2.13+14= 0.91+1.25=
10﹣0.76= 3.99﹣0.9= 0.567+4.44= 0.37+0.6= 7.46+2.54=
1﹣0.08= 45.9+1= 6.87﹣3.25= 0.25+0.75= 0.78+0.22=
6.1﹣5.7=
计算题.(能简便的要简便)
①432×109﹣9×432 |
②99×172 |
③9×72×125 |
④463﹣187+137﹣113 |
⑤9.73+0.483+4.83+12.4 |
⑥8.32+5.763﹣2.808﹣1.78 |
⑦384×[150÷(50﹣25)] |
⑧﹣(用小数计算) |
很快算出得数。
⑴5+0.4= |
⑵1.4+2.7= |
⑶8.2+3.7= |
⑷5+2.4= |
⑸1.8﹣2.7= |
⑹7.3+0.9= |
⑺2+5.3= |
⑻2.0+1.8= |
⑼5.7+2.8= |
⑽6+2.2= |
⑾1.5+8.5= |
⑿7.4+1.6= |
⒀5﹣6.5= |
⒁3.2﹣2.3= |
⒂4.2﹣2.2= |
⒃2﹣2.3= |
试题篮
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