⑥ 1-3×(-4)=1-(-12)
No.
Date
=-8
⑦ (-2)×(-3)+(-8)=4=6+(-2)
⑧ 2x(+4)+(-3)22-8+(-9)
=+17
2
1 (-2)3×3+{7-13-4)}-2=8)×3+6=2
練習
=-24+3
=-27
{(32-5)×5+2÷2=(-5)+1=22472(-25)
=55÷(-25)
=5
55
(5)(-)x(-4)=+4
=-4
x402
9(1)(-2)×(-3)×(-4)=-24
(2)(-100)=5×(-4)=-20×(-4)
=-80
(3)(-24)÷(-4)÷(-3)=+6÷(-3)
=-3
(4) -42÷(-2)30-16÷(-4)
=+4
10(1) 9+3×(-4)=9+(-12)
=-3
(2) (-33×4+48=(-8)=9×4+48÷(-8)
=36+(-6)
=-30
(3) 3-{4-(2-5)×6}=3-{4-(-18)}
=3-22
b1=
(4) 3/3+(-)/=/13×5/2/2)
ニー
(5)(一)×(-30)=(-1+)×(-30)
1/15×(-30)
1x0
+5
1111 ①②③
(2) ①③
12(1) 2)198
3199
3133
=2
A, 2x 32x11
5180
3
24×1