12乘以97加3的简便计算
12乘以97加3的简便计算
12x97+3=12x(100-3)+3
=1200-36+3
=1200-33=1167
可能是要带括号
12x( 97+3)=1200
56乘以97加56乘以2加56的简便计算??
56×97+56×2+56
=56×97+56×2+56×1
=56×(97+2+1)
=56×100
=5600
130乘以12加12乘以70的简便计算
130×12+12×70
=12×(130+70)
=12×200
=2400
简便计算97乘以68
97x68
=(100-3)x68
=100x68-3x68
=6800-204
=7004
97乘以96的简便计算
简便运算:
97×96=(100-3)×(100-4)
=100^2-(3+4)×100+12
=10000-700+12
=9312
希望能帮到你
56乘以(12加4乘以8)简便计算
56x(12+4x8)
=56x32
=1792
12乘97加97乘82的简便计算
12乘97加97乘82
=97×(12+82)
=97×94
=9118
97乘以38 114简便计算
97×38+114
=97×38+3×38
=(97+3)×38
=100×38
=3800
12乘97+12乘3简便计算
12x97+12x3
=12x(97+3)
=12x100
=1200
5乘以4.8加16乘以12加0.9乘52简便计算
5x4.8+1.6x12+0.9x52
=5x4.8+4.8x4+0.9x52
=(5+4)x4.8+9x5.2
=9x4.8+9x5.2
=9x(4.8+5.2)
=9x10
=90