64乘57加64乘44减64
=64*(57+44+1)
=64*100
=6400
64×57+64×44-64
=64×(57+44-1)
=64×100
=6400
64×37+64×64-64
=64×(37+64-1)
=64×100
=6400
64×13÷64
=64÷64×13
=1×13
=13
32x24+64x38
=32x24+2x32x38
=32x(24+2x38)
=32x(24+76)
=32x100
=3200
98x32+64
=98x32+2x32
=(98+2)x32
=100x32
=3200
64*2+326+236
=(64+236)+(64+236)
=290+300
=590
32乘52减64
=32×(52-2)
=32×50
=1600
祝学习进步
158乘64怎么用简便方法计算
=158x8x8
=1264x8
=1264x10-1264x2
=12640-2528
=10112
18*192-36*64
=18*2*96-64*36
=36*(96-64)
=36*32=1152