(1)原式=(6.5+3.5)×8-44
=80-44
=36 (2)原式=907×(9+1)
=907×10
=9070 (3)原式=1110÷(24-21)
=1110÷3
=370
(4)原式=56×(100-1)
=5600-56
=5544 (5)原式=168.1÷(8.6-0.4)
=168.1÷8.2
=20.5 (6)原式=(2-0.7)÷1.3
=1.3÷1.3
=1
(1)原式=(6.5+3.5)×8-44
=80-44
=36 (2)原式=907×(9+1)
=907×10
=9070 (3)原式=1110÷(24-21)
=1110÷3
=370
(4)原式=56×(100-1)
=5600-56
=5544 (5)原式=168.1÷(8.6-0.4)
=168.1÷8.2
=20.5 (6)原式=(2-0.7)÷1.3
=1.3÷1.3
=1