计算下面各题,能简算的要简算.
⑴0.9+1.08+0.92+0.1
⑵32.54﹣10.46﹣4.54
⑶18.73+3.85﹣2.73
⑷45.6﹣(83.7﹣78.8)
简便计算.
①31.7﹣0.5×0.7﹣1.65
②35.72﹣4.9﹣(5.72+5.1)
③111﹣3.67×2.8﹣3.67×7.2
④12.5×6.3+27×1.25+0.125÷0.01.
用竖式计算并验算.
⑴5.84+26.36=
⑵10.25﹣9.68=
⑶20﹣12.39=
⑷15.8+16.28=
直接写得数.
3.52+0.8=
4×0.25=
1﹣0.09=
7.2÷3=
4.3÷0.1=
11.7+1.6﹣11.7+1.6=
2.14×0.3÷2.14×0.3=
用简便方法计算下面各题.
1.8×2.48+1.52×1.8﹣0.5;
8.76+0.4×3.6×2.5+1.24.
计算下面各题,能简便计算的要简便计算.
5.27﹣1.98﹣0.02 |
3.2×5.7+6.8×5.7 |
2.5×6.8×0.4 |
5.6﹣36÷30 |
0.72+9.6÷3.2 |
7.75×[20÷(3.24﹣3.04)]. |
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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