3.75*7.2+63.5*0.72-0.01*72
1个回答
3.75*7.2+63.5*0.72-0.01*72
=3.75*7.2+6.35*7.2-0.1*7.2
=7.2*(3.75+6.35-0.1)
=7.2*10
=72
相关问题
7.2×8.5+14×0.72+72×0.01(用简便方法做)
直接写出得数.3.57+0.3= 0.72+0.9= 1-0.01= 0.2-0.01= 4.8+2= 3.6+5.4=
化简:(1)75(2)9x3(3)72a4b3(a≥0,b≥0)(4)492−322(5)72a(6)512−492(7
(-0.72)^3与(-0.75)^3比大小
7.2-7.2*0.36-0.72*6.3巧算
计算(1)|-21|×|-3|(2)(-23)+72+(-31)+(+23)(3)(−0.5)−(−314)+2.75−
7.2-7.2*0.72-7.2*0.27
1+0.5x=0.5x7怎样解 0.75x+0.5x=2.25怎样解 3x+4.5x8=72怎样解 (10-7.5)x=
0.75=______/16=72÷______=______:4=______%.
直接写出下列各式的结果: 3.7+0.63= 5.1÷0.01= 500×3%= 2.5×6.7×4= 75×99= 1