92 + 71 + 108 = (92 + 108) + 71 = 200 + 71 = 271
32 x 47 + 53 x 47 + 47 x 15 = 47(32 + 53 + 15)
= 47.100
= 4700
90 x 143 - 43 x 90 = 90.(143 - 43) = 90.100 = 9000
(1200 + 60) : 12 = 1800 : 12 = 150
2 x 18 x 24 + 3 x 50 x 16 + 12 x 32 x 4 = 18.(2.24) + 50.(3.16) + 32.(12.4) = 18.48 + 50.48 + 32.48 = 48(18 + 50 + 32) = 48.100 = 4800
92+71+108=71+(92+108)=71+200=271
90x143-43x90=90x(143-43)=90x100=9000
32x47+53x47+47x15=47x(32+53+15)=47x100=4700
(1200+60):12=1260:12=105
2x18x24+3x50x16+12x32x4=(2x24)x18+(3x16)x50+(12x4)x32
=48x18+48x50+48x32
=48x(18+50+32)
=48x100=4800
34 x 81 + 34 x 19 + 66 x 35 + 47 x 66
= 34(81 + 19) + 66(35 + 47)
= 34.100 + 66.82
= 3400 + 5412
= 8812
48 x 29 + 48 x 71 - (12 x 45 + 12 x 55)
= 48(29 + 71) - [12(45 + 55)]
= 48.100 - 12.100
= 100.(48 - 12)
= 100.36
= 3600
92 + 108 + 71 32 x 47 + 53 x 47 + 47 x 15 90 x 143 - 43 x 90 ( 1200 + 60 ) : 12
= ( 92 + 108 ) + 71 = 47 x ( 32 + 53 + 15 ) = 90 x ( 143 - 43 = 1200 : 12 + 60 : 12
= 200 + 71 = 47 x 100 = 90 x 100 = 100 + 5
= 271 = 4700 = 9000 = 105
34 x 81 + 34 x 19 + 66 x 35 + 47 x 66 48 x 29 + 48 x 71 - ( 12 x 45 + 12 x 55 )
= 34 x ( 81 + 19 ) + 66 x ( 35 + 47 ) = 48 x ( 29 + 71 ) - [ 12 x ( 45 + 55 ) ]
= 34 x 100 + 66 x 82 = 48 x 100 - ( 12 x 100 )
= 3400 + 5412 = 4800 - 1200
= 8812 = 3600
92+71+108=71+(92+108)=71+200=271
90x143-43x90=90x(143-43)=90x100=9000
32x47+53x47+47x15=47x(32+53+15)=47x100=4700
(1200+60):12=1260:12=105
2x18x24+3x50x16+12x32x4=(2x24)x18+(3x16)x50+(12x4)x32
=48x18+48x50+48x32
=48x(18+50+32)
=48x100=4800
