Question

ex 4
a) 9500-123×24+96÷6×56
b) 6019+100÷10÷10-123×45
c) 95÷(2050-2045)×(1811-39×39)
35×(1000-975)×(75+75÷5-22×4)

Answer 1

a)9500-123×24+96÷6×56=
9500-2952 +16×56=
9500-2952+896=
6548+896 =
7444

b)6019+100÷10÷10-123×45=
6019+10÷10-5535=
6019+1-5535=
6020-5535=
485

c)95÷(2050-2045)×(1811-39×39)×35×(1000-975)×(75+75÷5-22×4)=
95÷5×(1811-1521)×35×25×(75+15-88)=
95 ÷ 5 ×290×35×25×(90-88)=
95 ÷ 5 × 290×35×25×2=
19×10150×50=
192850×50=
9642500