任何一个三角形都有三条高. .
×125×
×8
+
+
×24
×(
﹣
)÷
3÷
+3
÷
7
+8.9+2
+6.10.36×101
20﹣(5.6+4.8)÷1.33.2×(2.15+1.95÷6.5)(+
)÷
+
36×(+
﹣
)
能简算的要简算
5.7×1.4+1.4×4.39.05﹣3.86﹣3.146.84×10.187×2.5+8.7×75.
1.59×1.9+0.41×1.9﹣1.9
18.6﹣[12﹣0.328×(18.3+6.7)]
63÷[6.5×(3.4﹣3.32)+2.98]
96.12÷[(7﹣6.46)×(43.6+56.4)]
[49.84﹣(53.17﹣14.56)÷27]÷0.47.
计算:
7.77×31.08÷7.77101×0.5920×
2.5×12.5×3.20.84÷14+0.84×(
+
)×24.
计算.
1.8×[24.15÷(10.04﹣6.54)]=
5(x﹣1.6)=41×0.5=
3.42×4.7+0.83×34.2﹣3.42×3=
0.8+9.8+99.8+999.8+9999.8=