Question

a)1500-18×75+72:9+94:2= b)1000:10+8:3+0:5+37×29= c)302-64:8+15×24-85:5= d)36×35-375+69:3×7-89×2=

Answer 1

a)-1 500-18×75+72:9+94:2=
1 500-1 350+8+47=205

b)-1 000:10+8:3+0:5+37×29=
100+2,66+0+1 073=1 175, 66

c)-302-64:8+15×24-85:5=
302-8+360-17=637

d)-36×35-375+69:3×7-89×2=
1 260-375+23×7-178=
1 260-375+161-178=868

Answer 2

a)1500-18×75+72:9+94:2=
=1500-1350+8+47
=205

b)1000:10+8:3+0:5+37×29=
=100+8/3+0+1073
=100+1073+8/3
=1173+8/3 (amplificam primul nr cu 3)
=3219/3+8/3=3227/3

c)302-64:8+15×24-85:5=
=302-8+360-17
=637

d)36×35-375+69:3×7-89×2=
=1260-375+161-178
=885+161-178
=1046-178
=868